Always Visible Screen Rotation is a free Android app developed by OK Soft that simplifies the screen rotation process. With this app, you can easily rotate the screen while watching a movie or playing a game. The app has an advanced function button that offers a range of options to switch the auto-rotation mode by double-clicking. Additionally, there are multiple functions available by clicking on one button option.

One of the most impressive features of this app is the ability to hide the buttons on the screen. You can do this by changing the button size to 0 or clicking the leftmost button on the notification bar. Another cool feature is the option to decorate the button with a clock. Overall, Always Visible Screen Rotation is an excellent utility tool for Android users that makes screen rotation a breeze.