Download Knock Screen Lock APK v3.0.2

Free download Knock Screen Lock APK for Android, PC. Latest version is 3.0.2, update at September 16, 2015

Knock Screen Lock version 3.0.2 is only one variant.

Tired of using old locking techniques for your Smart Phone? Tired of locks that even a child can unlock? Don't worry, here comes the NEW solution of Lock screen for...