Great privacy protection tool for Android. Lock Your Message, Email, Album, Contacts, Browsers etc. Do your friends always borrow your phone to play games? Do you concern your private data in some android applications may be read by people you do not want? App Lock helps you out. App Lock is a light app protector tool to protect your privacy in mobile apps. The cute lock is designed upon Android system level, to provide fully protection to your privacy. After you set a list of protected apps, there will be lock pattern or password protection when the protected apps starting. Features: Lock your app accurately and smartly- Good at performance and power-saving- Kinds of beautiful lock types- Also can be used as a Parental Control tool.