數位遊戲逐漸融入孩童的生活當中，他們對數位遊戲非常有興趣，研究者很快的注意到這件事並致力於數位遊戲是否能用在教育當中。Joyce是一個用來做為精熟練習的棋盤式之線上競爭遊戲，這個遊戲激發學習者更投入以及得到更多知識。同一時間，也越來越多學生擁有他們自己的可攜式裝置。一對一的數位教室環境是指每個學生在教室中利用行動裝置透過無線通訊的方式來參與學習活動，在這個環境下可以紀錄學生的學習歷程以及促進小組合作學習，Joyce雖然可以激發個人學習者學習，但比較少探討到激發小組的成員學習。
在本篇論文中，作者設計一個名叫Joyce 2的棋盤式之小組競爭遊戲系統，Joyce 2是一個建置在一對一的數位教室環境上用來輔助學習者練習分數的遊戲，在本研究中作者偏重在如何利用動物同伴以及一對一數位教室環境的優點來促進組內合作以及組間競爭，作者同時也提出了Joyce 2的遊戲機制與遊戲模式。
本研究的評估分成第一次的初探性研究與第二次的初探性研究。由這兩階段的結果顯示在遊戲設計、My-Pet以及Our-Pet能夠促進組內合作與組間競爭。學習者認為Joyce 2能增加他們在學習分數上的動機以及增強他們在分數上的運算能力。但這個研究目前只是初探性研究，未來首先將進行大型實驗以及做長期觀察來測試Joyce 2的實用性以及可行性。在未來，多種不同的組內合作與組內競爭的方式可以將被設計在這個遊戲之上來更加激發學習者學習。

Digital games are more and more getting into children’s life. Children and adolescents are often interested in electronic games. Researchers soon questioned whether digital games could be for educational purposes. “Joyce” is a computerized and online competitive board game system for drill-and-practice. It motivates learners more engaged and to remember more knowledge. At the same time, more and more students have their own portable computing devices. 1:1 (one-to-one) digital classroom environment means that each student uses mobile devices to participate learning activities through wireless communications in classroom environment. It can record learning processes as portfolios and facilitate group collaborative learning. Joyce can motivate individual learners, but fewer motivate group learners.
In this study, a group competition board game, named Joyce 2, is presented. It was built in 1:1 digital classroom environment for learners practicing fractions. In Joyce 2, the author pays more attention to facilitating intra-group collaboration and inter-group competition by taking advantages of animal companions and 1:1 digital classroom environment. The game mechanisms and the game models are also presented in this study.
The evaluations are included the first pilot study and the second pilot study. The results of two-stage evaluations showed that the game design, the My-Pet in Joyce 2, and the Our-Pet in Joyce 2 could facilitate learners’ intra-group collaboration and inter-group competition. And they think that Joyce 2 can increase their motivation in learning fractions and enhance their operation skills in fractions. The works is only the pilot study, and it will be taken a large experiment and long-term observations to prove usability and feasibility of Joyce 2. In future, different types of intra-group collaboration and inter-group competition can be designed to motivate learners more.

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