Mobile Game-Based Learning ( mGBL ) : Application Development and Heuristics Evaluation Strategy

Purpose – This article presents an approach to developing a mobile game-based learning (mGBL) application by adapting unified characteristics of learning theories and approaches. In addition, the study also identified the strategy to evaluate mGBL. 
Method – The study utilized the design research approach in information systems. The research methodology can be divided into five phases; (i) awareness of problem (ii) suggestion (iii) development (iv) evaluation and (v) conclusion. 
Findings – Unified characteristics of mGBL were identified. In adapting the characteristics, the mGBL application was developed based on the concept of values in 1Malaysia. To evaluate the mGBL, a heuristics evaluation strategy is proposed. The strategy consists of four components: Game Usability, Mobility, Game Play, and Learning Content. Each of the components represents the issues to be considered and evaluated for a mGBL. 
Value – The study provides intensive review of mGBL characteristics that can be useful and may be of interest to game developers. In addition the heuristics evaluation strategy is developed for evaluating the effectiveness of mGBL application.


INTRODUCTION
In recent years, information and communication technologies (ICT) have been treated as notable solutions in social, economics, culture and education aspects.The fi eld of education particularly has been eminently impacted by these ICT.As evidence, there is increasing interest in the use of ICT and educational technologies to promote learning formally or informally.These technologies are not limited to computers and software, but all tools are utilised for teaching and learning such as compact disc (CD), video compact disc (VCD), cameras, mobile phone, personal digital assistance (PDA), global positioning system (GPS) devices, computer-based probes, and electronic tools which have yet to be realised.With the capability of such technologies there are various types of educational applications readily obtainable in the market such as courseware, tutorial, simulation, electronic book; all of which are available either on CD or from the Internet.
Although there are many types of educational applications, the main purpose of the designed technologies is to facilitate effective and effi cient learning.Learning via these applications can be categorised into a number of terms such as web-based or online learning, Computer-Based Learning (CBL), Computer-Based Training (CBT), and most recently mobile learning (m-learning); all are sub domain of electronic learning (e-learning).
Mobile-learning (m-learning) can be described as a learning technique that takes place across locations or gets the advantage of learning opportunities offered by mobile technologies such as mobile phones, smart phones, PDAs, and handheld devices.Basically, m-learning combines practices, strategies, tools, applications, and resources with proven advances in technology to support anywhere and anytime learning (Wagner, 2005).The most prominent promises by mobile technologies are where students can learn with no location restriction to places; in classroom or outside, with teachers' guidance or without, during class period or anytime.Many research fi ndings showed the potential and effective use of mobile technologies for learning purposes as stated for instance by Naismith et al. (2006); and Pachler (2007).Moreover, there are varieties of m-learning systems (Short Message Service (SMS) text message, Mobile Games, Mobile Applications) that have been successfully implemented (Naismith, Lonscale, Vovoula, and Sharples, (2006), Pachler, 2007), as listed in Table 1.
Using SMS for m-learning is rather simple, yet effective as a complementary media.With SMS technology, short text messages and educational information can be written and sent quickly with any mobile phone.This offers enormous learning opportunities.Also, mobile games used in the m-learning environment offer a rich and interactive learning experience where game play is used to enhance learning by promoting learning through motivation.Through mobile games, the activity of playing will engage and stimulate students, as well as promote teamwork, skill building, and interactive problem (Sugar, & Sugar, 2002).Mobile applications for m-learning are smaller versions of desktop learning systems, that are specially developed for mobile devices.The mobile applications are rather more complicated than SMS system and usually have more learning contents which are managed by database systems.
Table 1 Example of M-learning Systems through mobile devices is becoming popular and this is shown by the growing number of available m-learning applications.Also, many researchers have shown the potential use of game in the learning environment.
The next section details the methodology followed in this study.The research motivation, objectives, and questions, which are also described as part of the outcomes of the phases in the methodology.

RESEARCH METHODOLOGY
A prominent design science research methodology (Vaishnavi & Kuechler, 2007) is adopted for accomplishing the research objectives.Their research methodology can be divided into fi ve phases, namely (i) awareness of problem, (ii) suggestion, (iii) development, (iv) evaluation, and (v) conclusion.Figure 1 illustrates the activities that were conducted in this study.
In the fi rst phase, the problem of this research was defi ned through literature study and content analysis.The problem statement was established based on these activities and from the aspects that motivate the study.These problems to the construction of the research objectives and questions.
In phase two of this research, the analysis of learning theories and approaches were used to compare and document the mGBL characteristics.In addition, a further study on the fl ow and cycle of the mGBL development was also conducted to determine an appropriate solution.Next, the mGBL application was developed based on the needs of Malaysian local content, where the 1Malaysia concept was adopted since it is the current national agenda.The development of mGBL prototype followed the characteristics, which were proposed in the previous phase.
Then, the mGBL application was evaluated using the proposed heuristics evaluation strategy.In the fi nal phase, claims and evidences will be justifi ed through analysis of fi ndings.All of these phases and activities are further described in the next sections.

RESEARCH MOTIVATION AND OBJECTIVE
International Telecommunication Union (ITU) Telecommunication/ ICT Indicators Report (ITU, 2008) found evidence that ICT, broadband and mobile phone uptake foster growth and development  As of the fi rst quarter of 2005, there were 15 million mobile phone subscriptions on all mobile networks operating in Malaysia.In the fi rst quarter of 2006, the number had increased to 20.5 million, a 5.3% growth rate and 77.7% penetration rate nationwide.This number has continually increased up to 25 million and shows that there has been a dramatic increase in the usage of mobile phones among Malaysians.
The percentage of the penetration rate in Malaysia rose from only 9.7% in 1998 to 90.6% in 2008.Similarly, mobile growth rates have been high across almost all regions and the number of subscribers has grown between 20 to 30% globally since 2000 (ITU, 2008).Some of the reasons for this trend are the decreasing prices of mobile phones and variety of services provided by the operators.Based on such empirical evidence, there is a huge potential of usage in the mobile learning environment.Hence, in tapping the thriving mobile business, a study on mobile content development, specifi cally local content, is urgently required.The Malaysian government has come up with a strategy called MyICMS 886, which dictates a number of strategies for the growth of local content and these are promoting awareness, building competencies in higher education and forming strategic alliances.The goals are to encourage local creativity, address new content demands and also export content.In achieving these goals, the Malaysian government together with a number of key industry players have provided many funding incentives specifi cally for local content production.This is expected to provide adequate local contents that refl ect Malaysian culture and values.It is also expected the contents should be sold as additional services by mobile operators to broaden phone usage (Pelkonen, 2004).
In the Malaysian local scene, Roslan (2007) reported that local content development is highly indeed for education, entertainment, and games.Moreover, IGDA (2005) also indicated that over the last several years there have been two signifi cant changes in the landscape for mobile gaming.Firstly, the potential size of the market for mobile gaming has grown considerably since 2000, and secondly the quantity of mobile games available nowadays.Therefore, in an effort for ensuring this potential mode of enriching the learning environments is seized, a design study of mobile game has been undertaken.
In order to take advantage of the positive aspects of games for learning, the design and development of mGBL ought to be studied like any form of instructional material, which must be carefully and intelligently designed.For that reason, there is a clear need for design theories which not only clearly defi ne how to design an effective educational game, but also focus on providing the necessary support for the implementation to improve its learning effectiveness.
Based on all the above-mentioned motivations, the objective of this study was to develop structurally the mGBL, which would contribute to the current demand in the local content production.A number of research questions were constructed in accomplishing the objective and these are:  What are the characteristics of a mGBL? What are the current practice in mGBL development process? How should mGBL be successfully developed? What would be the dimensions for mGBL evaluation? How should the evaluation process of mGBL be?

MOBILE GAME-BASED LEARNING
Games are known as good platforms to motivate people to play, interact, communicate, as well as learn.Game and learning can be successfully developed and implemented in the learning environment by combining both game design and instructional design approaches.This section discusses these issues in the mobile environment.
Although there are many application types in m-learning, this research focused on the mobile game as the focus of study.Mobile game for learning or mobile game-based learning (mGBL) is a game specifi cally utilised for learning but is played on portable devices.Similar to game-based learning (GBL), the main aim of mGBL is to use game play to enhance motivation in order to learn, to engage in knowledge acquisition, and to enhance effectiveness of learning content transfer or other specifi c learning outcome (Pivec, 2005;Goodman, Bradley, Paras, Williamson, & Bizzochi, 2006).
The mGBL application is a GBL that utilises mobile technologies such as mobile phone, PDA and handheld devices for its playing platform.Mohamudally (2006) described that the issues concerning of mGBL are mobility and restrictions on mobile technologies.He further stated that the mGBL concepts are grounded in pedagogical theory and adjusted to the technical capabilities of current standard mobile phones.
Therefore the characteristics of mGBL need to be explored and these are explained in the next section.

Characteristics of mGBL
The interesting feature about a mobile game is its wide reach due to mobile phone being the most commonly carried personal device.
In contrast to console games that target youngsters and teenagers, mobile games are more accessible to everyone (Yuan, 2003).Studies have shown that mobile games also give a substantial paradigm change from console games due to the hugely different target user, lifestyle, and distribution strategies.As described by Yuan (2003), Trifonova (2003), andMitchel (2006), mGBL characteristics can be summarised as follows: i) Easy to learn: Mobile games cannot have steep learning curves since they are targeted for all type of users because they will not spend hours reading the game operation manual.Therefore, it is important to keep the game simple.ii) Rich social interactions: Mobile games quickly become uninteresting when the player discovers the game pattern or has exhausted all the play activities.To solve this, the mobile game (especially subscription-based) can be incorporated with other players to increase the intelligence and randomness of game play.iii) Interruptible: Mobile phone users often have little free time available between tasks (e.g. while waiting for a bus or a taxi).
The same mobile device is also used for games, messaging, picture taking, and data access.Therefore, a worthy mobile game should allow users to switch smoothly between tasks and provide entertainment value for short time periods.iv) Subscription based: Mobile game revenue depends on their large distribution.It is indeed expensive to design and develop each game from scratch.Thus it is signifi cant to offer different titles from the same game engine along similar basic storylines.Subscription-based mobile games are the best way to generate sustained revenue.v) Take advantage of mobile innovations: Good mobile games should take advantage of the enhanced mobile technologies and services such as Global Positioning System (GPS) extensions and Short Message Service (SMS)/Multimedia Message Service (MMS) messaging.vi) Nonexplicit content: Since all range of ages and gender play mobile games and often in public or work settings, explicit violent or sexual content must be avoided.vii) Short, not more that 5-10 minute modules.The players should be able to use their short waiting time for learning, like doing quizzes, reading small pieces of data, or using forums or chat.
viii) Simple, funny, and added value functionality.The limited properties of mobile devices make it complicated to use complex and multimedia content.Players should be able to use the learning game without having to read a user manual.ix) Area/domain specifi c content, delivered just in time or place.The mobility capability should be able to guide and support students and teachers in new learning situations whenever and wherever it is necessary.The dependency of the content can be relative to location context (i.e. based on learner location), temporal context (i.e. based on time), behavioural context (i.e. based on learner behaviour), and interest specifi c context (i.e. based on learner's preferences).x) Self-explaining.Learning applications should be selfexplaining and support a playful way of learning.xi) Small units of learning contents.The learning contents should be split into small units which require only a reduced span of attention so that game play and learning can take place during pauses.xii) Available any time.The learning contents should be available any time, and the games should be integrated in the situational and local context of the learner.
The principles and unifi ed characteristics of mGBL presented in this section provide a conceptual overview of what could become a good practice for the development of mGBL.The next section discusses another key mGBL element that needs to be an integral part of the mGBL development process, which is learning theories.

OVERVIEW OF LEARNING THEORIES
A learning theory is an attempt to know how people learn, and in helping us understand the process of learning.When tools are associated with learning, it is not feasible to ignore the learning theories.Therefore, the dominant learning theories that shape the learning landscape through mGBL will be discussed in this section.
There are various different theories of learning.These available theories are useful in considering their application to the learning environment.Some theories focus on ways to describe and control observations, behaviours, and events of learning.Others attempt to describe the framework of learning such as the nature of attention, the way memories are formed, and the way learners process and give meaning to knowledge.Learning theories are likely to fall into several main paradigms, including behaviourism, cognitivism, and constructivism; which are briefl y described in this section.Kang (2004) described that behaviourism theory started in the early 20th century and the proponents are Bandura, Watson, Skinner, and Pavlov.Behaviourism is known as a paradigm that assumes the learner is passive and responding to environmental stimulus (Kettanurak, Ramamurthy, & Haseman, 2001).The learner starts from knowing nothing and then his behaviour is shaped through reinforcement (positive or negative).Both positive and negative reinforcement increase the probability that the antecedent behaviour will happen again.On the contrary, punishment decreases the likelihood that the antecedent behaviour will happen again.Hence, this theory describes that learning happens when a correct response is demonstrated.The strength of this theory is when the learners are focused on a clear goal, thus they can respond automatically to the cues of that goal.This will accomplish the learning objectives.On the other hand, the weakness is when the learners may fi nd themselves in a situation where the correct response does not occur; the learners cannot give response.This theory has been criticised because it can be applied in a situation where the learning environment is at the lower level of skill or knowledge.Conversely, this theory can be applied successfully when the learning environment supports good and immediate responses (Kettanurak, Ramamurthy & Haseman, 2001).

Cognitivism
The revolution of cognitivism has replaced behaviourism in the 1960s as the leading paradigm (Kang, 2004).The focus of cognitivism is on the inner mental activities of the human mind because it is precious and necessary to understand how people actually learn (Kettanurak et al., 2001).Mental activities such as thinking, knowing, memorising, and problem-solving are focused in this theory which create the knowledge.The knowledge can be seen as schema or symbolic mental constructions.According to Kang (2004), this theory has been widely used and impacted the learning environment.Kang further described that the cognitive process is the main focus for learning resources.As to differentiate with behaviourism, learning is a change of knowledge state.The strength of this theory is that learners are trained to do a task in similar way to allow consistency.This will make the learners solve a problem using their own possible solutions.However, the weakness is when the learners are able to accomplish a task, but not through the best suited way to the learners.

Constructivism
In constructivism, learning is seen as an active process of constructing knowledge rather than acquiring it (Kettanurak et al., 2001).Knowledge is created based on learner experiences and interactions.They actively construct or create their own understanding by assembling knowledge from diverse sources appropriate to the problem at hand.New information is gathered by linking to prior knowledge and experiences.Constructive theory is the main contributor toward the successful learning process in 1990s (Kang, 2004).This theory focuses on the learners rather than instructors.An individual learner is unique with his own capability of learning.He is encouraged to show his skills and potential that are useful for him in the learning environment.Vygotsky's social development theory is one of the foundations for constructivism which stresses on keys of human development, such as interpersonal (social), cultural-historical, and individual factors (Kettanurak et al., 2001).The advantage of this theory is when the learner is able to understand various realities; he is better able to deal with real life situations.If a learner can solve problems, he is better at applying his existing knowledge to other circumstances (Schuman, 1996).On the other hand, in a situation where agreement is essential, different thinking and action of different people may cause problems, especially when the situation needs only the right and exact decision (Schuman, 1996).

Implications of Learning Theories to mGBL Characteristics
Developing instructional tools requires specifi c elements which include learning theories and an instructional design model.The designers are required to embed learning theories into the design and adopt an instructional design model during the development of instructional tools.Table 2 and 3 show the summary of these theories that can be adopted for developing mGBL.
Table 2 mGBL Advantages from the Learning Theories (Egenfeldt- Nielsen, 2006) Learning Theories Advantages Behaviourism  Behaviourism provides the concept of repetition and reward.
 The player practices in a game through repetition while receiving rewards after each proper response.

Cognitivism
 Cognitivism attempts to build intrinsic motivation by integrating learning and game experience.
 Player engages in a discovery process through a game experience that integrates learning and play akin to the limitations and potentials of the human mind.

Constructivism
 Constructivism provides game challenges that offer the player to solve problems in the game environment.
 The challenges can be solved through player's experiences in previous game levels.It can be summarised that the characteristics in learning theories should be adopted in the development of mGBL.Behaviourism stresses on the reinforcement and control to the learner by providing good feedback from the game.From the In cognitivism perspective, the game should facilitate the support of transferring, remembering, and recalling knowledge in the learner's memory.From the constructivism approach, the learner should be given opportunities to explore and acquire knowledge that they want.

LEARNING APPROACHES FOR mGBL CHARACTERISTICS
Various learning approaches have been discussed in the available literature and these approaches originated from the three basic paradigms of behaviour, cognitive and constructive theories.
Multiple intelligences theory (Gardner 1983(Gardner , 1993(Gardner , 2000)), nine events of instructions (Gagne, 1985;Gagne, Briggs, & Wager, 1992), and problem-based learning are seen to be more of interest to this study and have been applied to many learning environments (Becker, 2006).These theories are discussed in relation to mGBL in this section.
Multiple Intelligences Gardner (1983Gardner ( , 1993Gardner ( , 2000) ) pioneered the nine multiple intelligences theory to account a broader range of human ability.Generally, this theory provides nine potential pathways to learning.It is believed that individuals will naturally learn best under one or more of their intelligences.Therefore, the learning systems should be most effective if different intelligences are incorporated into the learning environment.
In general, the theory of multiple intelligences gives impact to learning in three aspects (Gardner, 2000): (i) curriculum needs to incorporate these intelligences such as arts, self-awareness, communication, and physical education; (ii) instructional methods should appeal to all the intelligences, such as role playing, musical performance, cooperative learning, refl ection, visualisation, and story telling; and (3) assessment of learning should measure and take into account the multiple forms of intelligence.
The nine intelligences, as proposed by Gardner, are as follows; i) linguistic intelligence (the ability to master languages−spoken and written), ii) logical−mathematical intelligence (the capacity to analyse problems logically and scientifi cally), iii) interpersonal intelligence (the ability to understand and relate to other people), iv) intrapersonal intelligence (the capacity for understanding oneself), v) spatial intelligence (the ability to know and react to the space), vi) bodily-kinaesthetic intelligence (the capacity for moving around using own body), vii) musical intelligence (skill in the performance, composition, and appreciation of music), viii) naturalist (think through nature and natural forms), and ix) existential (sensitivity to complex issues surrounding our existence, and developed skills in pondering deep questions).
In relation to this study, in order to know how mGBL provides the multi-intelligence approach to learning, Table 4 maps the link between multiple intelligences and mGBL characteristics.Although not all intelligences can be applied in mGBL at one time, a few are potentially applicable.In fact, mGBL can enggage players deeply by addressing these types of intelligences, where each player has an opportunity to take advantage of his/her own particular strengths (Becker, 2006).

Multiple Intelligences Mapped to mGBL Characteristics
Intelligences Descriptions 1. Linguistic In a game, the linguistic elements can be in a form of written words and narrations such as instructions, user guide and game play.

Logicalmathematical
Strategy in games is one of the essential features which needs players to have logical thinking.Solving problems using mathematical strategy is a good example of this type of intelligence.
3. Interpersonal In a game, sometimes players are required to interact with other players (multi-player) or their own (single player).Therefore, competition and collaboration might occur to get the game victory.
4. Intrapersonal Challenges in a game encourage players to solve problems by exploring and interacting within the game.This interaction might include emotional and mental challenges.

Spatial
Game always gives visual space in various formats such as colours 2D or 3D.This space makes players interact actively in the space provided.

Bodilykinesthetic
This aspect give players to interact physically in the game with bodily movement such as hands, fees and other body parts.
(continued) Intelligences Descriptions 7. Musical This aspect is important to the game.Audio and music effects give fun elements to players.The aspect can be in a form of background music or sound effect.

Naturalist
 This concept provides the experience with fl ora and fauna in a game.Apart from that, the geographical elements could also be included in this aspect.
9. Existential  Player should feel good and important as a character in a game world.This aspect provides the responsibility as a "person" in the "game world environment".
Nine Events of Instruction Gagné (1985) has published a book that identifi ed the mental conditions for learning.From that, Gagne et al. ( 1992) created a nine-step process called the events of instruction, which correlate to and address the conditions of learning.The nine events of instruction are useful for the instructional designer to develop an effective learning system.These events include, i) gaining attention, ii) informing learners of objectives, iii) stimulating recall of prior learning, iv) presenting the content, v) providing learning guidance, vi) eliciting performance (practice), vii) providing feedback, viii) assessing performance, and ix) enhancing retention and transfer.
Table 5 shows the brief descriptions of the nine events of instruction which can be associated with mGBL.
Table 5 Nine Events of Instruction Linked to mGBL Events Descriptions 1. Gain attention  In a game, an attractive introduction screen accompanied by sound effects or music startles the senses with auditory or visual stimuli can be included.For example, montage screen with interesting graphics.

Inform learners of objectives
 The instructions and game rules are provided in game, as well as objectives of the game to be achieved.These initiate the internal process of expectancy and motivate players to complete the game.

Stimulate recall of prior learning
 A simple way to stimulate recall is to challenge players at different types of game level.The higher is the level, the harder the task to complete.This process makes players learn and remember the previous tasks completed in previous game levels.
(continued) Events Descriptions 4. Present the content  This aspect gives players various types of challenges to know their skills.Game content should be organised meaningfully.To appeal to different learning modalities, a variety of challenges should be used if possible.

Provide learning guidance
 Additional guidance should be provided in a game.
Guidance strategies include the use of examples, user manual, or tips.A good game is when players do not refer to the game manual as they can learn easily from the interface and logic provided.

Elicit performance (practice)
 In a games the players are required to practice new skills to fi nish the game.This provides an opportunity for players to confi rm their correct understanding, and the repetition increases the likelihood of their retention.

Provide feedback
 It is important to provide good feedback in a game.
Feedback in a game can be formed in game actions, scores, graphics screen, timings and audio.

Assess performance
 Assessment acts as one of the feedback systems in a game.Each player should be informed of his level of performance so that he can play until the game ends.

Enhance retention and transfer
 This aspect is provided in a game with various types of levels.Players need to remember and use their skills to further play the game.They can use their own strategies to succeed in the game.

Problem-Based Learning
Problem-based learning (PBL) comes from medical education and now it has been widely used in many disciplines at a variety of educational levels.PBL is a learning approach where students are dealt with a problem and challenged to fi nd the solution (Barrows, 1996).Some advantages are, PBL emphasises solving complex problems in rich contexts and promotes higher-order thinking skills (Savery & Duffy, 1995).PBL makes students take an active, taskoriented, and self-directed approach to their own learning.PBL encourages students to be involved in teamwork and practice their communication skills.It also gives students the problem-solving skills, critical, analytical, and creative thinking skills, as well as individual research skills (Wood, 2003).
According to Barrows (1996), the PBL approach caters for student-centred learning and is related to the constructive approach.He also provided the characteristics of PBL; (i) learning is studentcentred, (ii) focus of learning through authentic problems, (iii) new information is obtained through self-directed learning, (iv) learning occurs in small groups, and (iv) teachers are facilitators.The two fundamental principles underlying PBL are: (i) PBL is directly related to constructivist ideas of teaching and learning (Pearson, 2006), and (ii) PBL is promoting learning through social process.
To implement PBL in the learning environment, Merrill (2002) stated that PBL is based upon resolving problems that are encountered in everyday life.As Merrill explained, in PBL practice, students will be guided by the instructor at the early stages, and later, as students gain expertise and become more confi dent, this guidance is gradually faded.PBL seems to be more effective if students are fi rst introduced to simpler problems, and then gradually to more complex problems, where other learning elements are added to make them more realistic (Merrill, 2002).
In relating the PBL approach to mGBL design and development, some aspects are analyzed based on mGBL characteristics and features.The analysis (Figure 2) indicates that there are a few aspects of PBL environments that may be utilised to enrich mGBL elements.The mGBL developed for this study was implemented using the Flash tool.Four design and development phases were involved, adapted from Syamsul Bahrin and Norshuhada (2009) as seen in Figure 3: (i) analysis (ii) game design (iii) development, production, and integration; and (iv) evaluation.In the analysis phase, the target user is defi ned as ranging from nine years old to adult.Besides, the mobile technology and restrictions were analysed for the targeted platform.The most important aspect is the learning content analysis.The values of 1Malaysia concept were chosen for the learning content of the mGBL.In the game design phase, a group of activities were conducted, such as storyboarding, game fl ow designing, interface designing, and navigation structure designing.From here, the real development phase would then take place.In the development phase, all game sources was integrated through authoring and programming steps using Flash tool.The game sources included vector images and graphics, text, sound, and music, which provide the learning content.In the fi nal phase, the game was tested for verifi cation to ensure that the game is playable using the mobile phone without errors and bugs.Amendments were made for any errors that occurred during testing.Lastly, the game was fully deployed in the mobile phone and available for playing.

Learning Content of 1M'sia mGBL
Malaysian local content is urgently required especially for education, entertainment, and games (Norshuhada and Syamsul Bahrin, 2010).Thus, an mGBL application about local content that could foster the concept of 1Malaysia was produced.The mGBL can subtly assist users in learning useful information that the values of 1Malaysia are conveying.This is necessary for the succes of promoting harmonious and unity amongst the multi-ethnic citizens of Malaysia.The 1Malaysia formula was conceptualised for implementation in two main aspects.The fi rst was through the assimilation of the (i) principles of unity, while the second aspect was the assimilation of (ii) aspirational values.Such values that were incorporated in the mGBL:  Principles of Unity o Acceptance amongst all races and people of Malaysia.The game shows how to shake hands with different races.o Humility in forming decisions and actions.The game shows the importance of queuing in public places to get services.o Mutual respect for others.The game guides the players to know and respect other cultures as well as elderly people.
Aspirational Values o Integrity in all matters and transactions.The game portrays responsibility on tasks or jobs.o Culture of education.The game shows correct and incorrect rules in school.o Culture of precision in terms of time management and improving effi ciency.The game demonstrates time management policy.

1M'sia Game Play and Flow
The values of 1Malaysia that were incorporated in the mGBL content provide the basis of the mGBL play rules and actions.In general, the game is generated into two game plays which are simple quiz and mix-and-match.A player acts as a Malay character and then is triggered with several situations which provide the 1Malaysia values.Such situations are an ATM, a traditional costume shop, a house, a group of people, a school, and religious places.The player then has to enter the situation for the game environment.The player's skills and knowledge will determine how well he is able to do the right things, and the values will either be mastered or not. Figure 4 shows the 1M'sia game fl ow.At the end of the main game environment, the player is shown his level score of his 1Malaysia concept comprehension.If the score is more than 70%, the player is stated as having adequate comprehension of the concept.Otherwise, the player can try again to achieve an acceptable level of comprehension.

1M'sia mGBL Screen Shots
The following screen shots (Figure 5 to 12) depict the user interface and screens of the 1M'sia mGBL.At fi rst when the game is loaded, the main page is displayed.Players can continue to start playing the game by pressing start button or selecting other buttons for instructions.The game will start at the main game environment, and players can control the game by pressing the arrow and selection keys.
Figure 5 shows the main environment of the 1M'sia mGBL.Figure 6 and 8 are examples of situations that will be triggered.For example in Figure 6, when a player enters the situation, a short animation will be displayed that shows the 1M'sia value and then a simple quiz is presented.The example shown in Figure 7 is a humility quiz.Once the answer is selected, the score will be shown.After that the player will get back to the main environment to proceed to the next situations provided in the main game environment.
Figure 8, 9, and 10 show an example of a mix-and-match game where the player needs to match the correct traditional costumes for the specifi c ethnic group in Malaysia.The game immediately informs the player whether the answer is right or wrong.Figure 11 shows the school rules game that requires a player to collect as many correct rules as possible.On Figure 12, a simple summary is given at the end of the game, where the player is informed of his total percentage achieved.The percentage indicates the level of player comprehension of 1Malaysia values.

Porting and Testing of 1M'sia mGBL
The fi nal mGBL development stages usually involved porting and testing.Porting is making changes to the game in order to make it run on a different environment.Testing a game is mandatory in ensuring there is no crash or inconvenience for players.The game testing was conducted in following the dimensions adapted by Norshuhada and Syamsul Bahrin (2010).They categorised the testing into fi ve dimensions: i. Functionality -does the game function correctly?Are multimedia elements of good quality?ii.
Compliance -does the game follow the standard error message handling?Does it fulfi l a particular content rating?iii.
Compatibility -can the game be played on different devices/ platforms or different device specifi cations?iv.
Localisation -is it suitable for different countries and languages?v.
Soaking -is the game stable when left to run for a period of time?
Overall, the technical game testing was successfully conducted.As a result, the game runs properly and it contains no major errors.Nevertheless the mGBL is only compatible with the PDA and smart phone.The main objective of testing was achieved by showing that the game is playable on certain mobile devices.

HEURISTICS EVALUATION STRATEGY FOR mGBL
Heuristics evaluation is developed for evaluating the effectiveness of an application.In fact, this kind of evaluation is commonly applied in usability evaluation.A usability evaluation is conducted on users in order to fi nd out how the users can easily and effi ciently reach the application objectives.There are many usability evaluation methods; most were originally developed by Nielsen andMolich (1990), andNielsen (1993).In fact, the most utilised and useful usability heuristics was proposed by Nielsen (Nielsen, 1994;Muller, M. Claid, Bell, Dooley, Meiskey, Meskil, Spaiks & Tellam, 1995).These heuristics however are more focused on the general applications and are not specifi c to games.Malone created the fi rst heuristics for evaluating educational games (Malone, 1980).
In addition to not being developed for evaluating mGBL, the existing heuristics do not deal with mobility issues and do not cover learning content evaluation.Therefore, in evaluating the 1M'sia mGBL, a set of heuristics were adapted from Korhonen and Koivisto (2006), and Koivisto and Korhonen (2006) by adding a new component that deals with learning content and context in mGBL.In particular, the heuristics evaluation strategy used in this study consists of four components: game usability (GU), mobility (MO), game play (GP), and learning content (LC).The GU components (Table 7) depict the interface and game controls which the player interacts with the game.Game interface allows a player to play smoothly and react based on user actions.In general, good game usability ensures that the player has interest to play the game until the end.

Table 7
Game Usability Components (Korhonen & Koivisto, 2006)  The game controls can be customised.The controls also should be designed based on device's capacities.

GU7
The game gives feedback on the player's actions It is preferred if game user interface has a quick response on player's actions.The feedback can be presented in graphics, audio, or be tactile.

GU8
The player cannot make irreversible errors The game should provide confi rmation message for actions that can cause serious and permanent damage.Recovery is allowed when mistakes happen.

GU9
The player does not have to memorise things unnecessarily Minimum memory should be used minimumly.Game user interface design and challenges are considered in this aspect.

GU10 The game contains help
The game provides instructions to player for playing the game.It is unnecessary for player to read manuals frequently.
In Table 8, the MO components concern issues that affect mobility of the game.Mobility can be defi ned as the ease of a player to enter to the game world and the accessibility of the game anywhere and anytime.The 10 GP components (Table 9) describe how the game is playable, runs smoothly and consistently, is meaningful, and is not boring for the player.The GP is important because it is dynamic and occurs when the player interacts with the game mechanics and rules.
Table 9 Game Play Components (Korhonen & Koivisto, 2006) Number Game Play Components Descriptions

GP1
The game provides clear goals or supports player created goals The game goals are provided clearly because having a clear goal in player's mind is the core of an enjoyable experience.The goals can be either short-term or long-term goals.

GP2
The player sees the progress in the game and can compare the results The game provides the game progress.The progress can be showed as high-score lists, rankings, character levels, or different titles.

GP3
The players are rewarded and rewards are meaningful The game should provide rewards as a player progresses in the game.It should be meaningful for the player and should be adjusted to the challenge.

GP4
The player is in control The player should know what is happening in the game world.The player will be able to decide on actions they have to take for continuing in the game world.
(continued)  The fi rst component of the evaluation was game usability.The overall mean was 3.7 and the highest score was GU6 (Game controls are convenient and fl exible).Figure 14 depicts the scores.In general, the results showed that the usability aspects of the 1M'sia mGBL is relatively high.

Mean
Game usability components Mobility components encouraging).Figure 16 depicts these values.Based on the overall mean, it can be concluded that the respondents agreed that the game provided clear goals, rewards included were meaningful, the player was in control, and challenges and pace were in balance.Although this was the case, the respondents felt that fi rst-time experience, repetitiveness of tasks, stagnation and consistency of game were at the moderate level.The component that is important for learning objective is the learning content (Figure 17).The overall mean of 4.0 indicated that the learning content was highly informative, understandable, and easy to learn.The highest score was LC4 (The content is understandable).However, the respondents felt that the learning content moderately interested them, suggesting that the 1M'sia concept just moderately captured their interest.

CONCLUSION
This study portrays a mapping between some learning theories and approaches to mGBL characteristics.Having these mGBL characteristics, the mGBL application was developed specifi cally for Malaysian local content.The study also briefl y described the design and development process and suggested that key design decisions are strengthened by application of theory in the learning sciences.
The development stages adapted into the mGBL development were successfully implemented, simple to follow, and provided an easy guideline for a developer to develop a similar concept of mGBL.In this respect, this may be of interest to fellow game developers.As a general rule, heuristics evaluation was proposed for evaluating how usable an application is to the users.However, from the literature, current heuristics evaluations are not really feasible to be implemented for mGBL because of the mobility aspects, game features, and learning content issues.Therefore, in this study, a heuristics evaluation strategy was developed for evaluating the effectiveness of mGBL application, with respect to game usability, game mobility, game play, and learning content (as listed in Table 7 to 10).
In order to analyse these aspects, 1M'sia mGBL was used for conducting the evaluation sessions using the proposed strategy.Overall, the evaluation sessions were successfully conducted even though heuristics evaluation is not intended for end-users.
Prospective work can be recommended for this study, for example the heuristics evaluation strategy should be extended to include further data analysis such as hypothesis testing and correlation analysis.The analyses can perhaps provide more accurate fi ndings and discussions.In addition, the evaluation strategy can be conducted on other mGBL applications.Although the mGBL application was developed to comply with several theories, a future study could consider other theories in the design of mGBL.
In conclusion, the objective of this study to structurally develop the mGBL, which would contribute to the current demand for local content production, was successfully accomplished.Furthermore, all research questions put forward were answered; the characteristics of the mGBL were identifi ed, the current practices in the mGBL development process were analysed, and the evaluation process and related dimensions were soundly established.
in the Asia Pacifi c region.In Malaysia, mobile phone subscriptions have reached 25 million in the second quarter of 2008.According to the research conducted by the Malaysian Communications and Multimedia Commission (MCMC), the number of mobile wireless phone users has also exceeded those of the fi xed lines (MCMC, 2009).

Table 3 mGBL Characteristics
State objectives and break them down into steps.Provide hints or cues that guide players to the desired behaviour.Use consequences to reinforce the desired behaviour.Provide good feedback and response to the players.Link new game information to existing knowledge.Use techniques to guide and support learners' attention, encoding, and retrieval process.Provide good screen design, interface and navigation. Supply variety of game resources for choices and game options. Provide adventures, storyline, and game play.
Cognitivism Organise new game information.Create group learning activities. Model and guide the knowledge construction process. Offer different types of game levels. Offer great game play and challenges.

Table 11
Demographic Profi le