L Locker (Android L & KitKat) - it's a Beautiful day for Android for those whose devices at the cocoa reason you do not have Android version 4.4. The application is very rich in functionality, with which you will be able to customize the unlocking of your smartphone or tablet. And to pick up a quick launch menu when you tap the screen. The app has additional functionality inside the app, but for our users, it is of course unlocked.