App Locker

Protect your apps with a password or pattern lock!
Lock WhatsApp, Line, Twitter, Facebook, and all apps you want, Never worry again about someone seeing your private data!
Features:
- Customizable background
- Completely free
- Small screen support
- The fastest on the market
- Choose pattern or password/pin lock
- Change pattern color to white, green or blue
- Hide App Locker from applications so nobody can see it's installed
- Custom unlock message
- Also lock system apps
* To avoid App Locker being uninstalled, lock Google Play and Settings