Blackout allows you to turn off the screen with a single tap of the on-screen floating button.

The floating button is always visible on the screen, whether you are running any other application, so you can turn off the screen with a single tap the screen without using the (physical) power button on your device.
This app is useful when you do not want to use the physical buttons, such as when the power button is hard to press or not responding well.

* FEATURES
✓ Tap the floating button on the screen to turn off the screen
✓ Can move the floating button freely
✓ Long tap the floating button to lock/unlock it's position
✓ Support different sizes and themes of the floating button
✓ Show an animation when turned off the screen
✓ Support different animations
✓ Work with double-tap on the back (quick-tap) or gesture of the assistant (*only on supported devices)

* PRO FEATURES (Need Pro Key (Unlocker)
✓ No ads
✓ All themes for the floating button
✓ Auto hide
✓ All animations
✓ All vibration patterns
✓ All sounds
✓ Always play sound

If you like this app, Please consider to buy a Pro key.

[Special access permission]
This app uses accessibility services to turn off the screen, show an on-screen floating button, and show/hide a floating button while specified apps are running in the foreground