Android devices come with a navigation bar that helps you navigate your way around the screen. But if you want to hide the navigation bar on your Android device, there are a few ways to do it. One way is to use a custom launcher or app. Another way is to use an app that hides the navigation bar by default. There are also some third-party launchers that do this as well. The best way to hide the navigation bar on Android is to use a custom launcher or an app that hides the navigation bar by default.