we undertake two aspects such as user and developer. For users, a known fact in Android mobile, any app can be downloaded from Android Market without accessing a significant quantity of personal data which is different in App Store. For app developers, the App Store's method acquires developed app need to be signed using a private encryption key. Furthermore, several privacy related data such as personal information, IMEI, and location which are leaks already existing in Android Smartphone for a while. In this paper