Activate the on-screen keys, enjoy it! Don't need root. advanced users, visit my other app for more customization : Soft Keys - More Settings https://play.google.com/store/apps/details?id=com.dogusumit.softkeys_moresettings source codes : https://github.com/dogusumit/SoftKeys2-HomeBackButton This app uses Accessibility services.</br></br></br></br></br></br></br>