Knock Lock - app lock Screen - a New word in technology of lock screen. This app will radically change your view of the lockscreens. One of the most important parameters about which it is worth to say is that it works even when the mechanical lock screen! Other application only work if you run them and they will block the screen here, you can lock it button on your device, it will still work! It works on one simple principle, you on the screen will show big letters and you enter the code, and when you want to remove the lock, you would have click on the places where was located the letters, so the lock will be removed, and if it is someone else, he will hardly guess to stick the Wallpaper on your screen.

Requirements

OS Version: Android 4.0+

Internet: 0

Requires free space: 0

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