Description of Double Tap Screen On and Off
DoubleTap To Lock is an application help you double tap to Screen On/Screen Off

From Android 8.0 the feature "Double tap to screen on" no longer works.

[Feature]
+ Doubletap to Screen On
+ Doubletap to Screen Off only works on Home Screen and Lock Screen

[Note]
+ This app uses Accessibility services. You need to enable accessibility service to the app can catch event when having a notification and when you are staying on the home screen(the app only works on the home screen).This ONLY uses for features of the app. No other information is processed from this permission.
+ The app makes error fingerprint so you should turn off fingerprint before using this app

From Google Play

Download APK