Install this awesome App Locker app to lock all your important apps. This app is the best app locker available in the play store.
This app gives 3 locking modes for any application
PLUS there are lots of cool features
Profiles - you can make different profiles
Stealth Mode (no icon - so nobody even know the app is installed)
The app loading time is super fast unlike any other apps out in the market.
Install this app and make your life secure !