Simple Control(Navigation bar)

The navigation buttons are not something that people usually think about in Android, but they can be changed and customized in many ways. This is what applications such as Simple Control(Navigation bar) are trying to do.
 
With the help of Simple Control(Navigation bar), it’s possible to change how the navigation buttons look and behave, not to mention that it’s also possible to change their position on the screen. All of them are configurable to a certain degree and use the accessibility service.