With KnockOn you can easily track and lock your phone with a simple double tap on the screen !
The double tap and double tap to wake to sleep function can be used separately.
+ the compatibility of the fingerprint sensor (For marshmallow Android ) : NEW
+ Press twice to lock your phone
+ Press twice to sleep
+ Double tap to wake up your phone (OLED displays only !)
+ These two features can be activated separately
+ Develop a sleep time to reduce power consumption
+ Customize speed double tap
For More Info Google Play
Supported Android
{4.1 and UP}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) or UP
Download KnockOn Tap to wake or lock 2.01 APK For Android