Always visible screen rotation

You can always change the auto screen rotation.

You can easily rotate the screen while watching a movie or playing a game.
After clicking the advanced function button, you can use the option to switch the auto-rotation mode by double-clicking. Multiple functions are available by clicking on one button option.
You can hide the buttons on the screen by changing the button size to 0 or clicking the leftmost button on the notification bar.
You can decorate the button with a clock.