Mask Screen: screen black for PC

Use the custom screen, choose to replace the screen of the current application through the floating button, or quickly switch to other applications.
Suggested time to use:
1. When someone wants to peek at your screen, you want to turn the screen black, but you don't want to leave the running application or game because you press the power button to turn off the screen.
2. When you have something to leave your phone temporarily, you want to turn the screen black, but you don't want to leave the running application or game because you press the power button to turn off the screen.
3. When you play a video, if you want the screen to go black, just listen to the music.
4. When you play an audiobook, if you want the screen to go black, just listen to the sound.
5. When you need to show photos.
6. When you need to know the current time.
7. When you want to make the screen black.
8. When you want to quickly switch to other applications.