This app provides customizations of physical button (back button, Bixby button, volume button, etc.), fingerprint sensor and gestures to assign them to different functions. Game pads and keyboards are also supported.

Accessibility service
This app is required Accessibility service. It is used to detect when the buttons are pressed on your device in this app. Once Accessibility service is enabled, this app can detect user-input button events and re-assign them to user customized actions. Accessibility service is used only for that purpose and this app does not collect any informations such as entered letters, passwords, credit card numbers, etc.