Security Manager is a good helper to protect important applications with passwords and lock screens is the best protection application for protecting private lives.Information, mail, pictures, and other applications can be locked, you can lock the best protection of USB link applications.With the help of the App Lock, you can:No longer worry about friends to borrow your phone to play the game again!No longer worry about a colleague to make your phone look again!No longer worry about the private data in some applications may be re-read!No longer worry about your child may change the phone settings, pay games, but also messed up!