Android is an open operating system developed by the Open Handset Alliance (OHA) that is Google-led. Due to the nature of an open operating system, however, Android has the fragmentation problem that mobile application shows different behavior patterns in heterogeneous devices. To resolve this issue, a developer needs much cost in terms of time and efforts to devise application tests in mobile environment. In this paper, we propose two methods that handle android fragmentation problem.

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... utilizing the methods, we produce mobile application compatibility test system. We also perform case studies in order to evaluate the methods' effectiveness concerning fragmentation problem by developing application. The proposed system analyses the fragmentation that is found in code level as well as in API level. The experimental results demonstrate enhancement in mobile application test process regarding time and cost. In this paper, we propose two methods that handle Android fragmentation problem. Moreover, utilizing the methods, we produce mobile application compatibility test system. We also perform case studies in order to evaluate the methods' effectiveness concerning fragmentation problem by developing application. The proposed system analyses the fragmentation which is found in code level as well as in API level. The experimental results demonstrate enhancement in mobile application test process regarding time and cost.