Free - AppProtector

AppProtector is a perfect locking application for your phone which helps your private applications like gallery, messages, contacts, emails, private notes & data and many more to be protected from others. Once Locked, these applications can be accessed only upon entering a valid user defined password. Also it supports master lock which helps you to lock main screen of your phone, thus nobody can use your phone without knowing valid password. More user friendly and easy to use security app.