Samsung Galaxy users can enable a back-tap shortcut feature using the RegiStar module in the Good Lock app to trigger custom actions like screenshots and floating app windows.

Key Points

• Users can customize double-tap and triple-tap gestures to launch apps, toggle the flashlight, or open notification panels.
• The feature requires a Samsung device running Android 13 or newer and OneUI 5.0 or higher.
• RegiStar allows users to instantly capture and share screenshots or convert active apps into resizable floating windows.
• Back-tap provides a more ergonomic alternative to Edge Panels or fingerprint sensor shortcuts by utilizing the natural resting position of the index finger.
• While Samsung’s implementation is highly feature-rich, similar back-tap functionality is available on most Android devices via the accessibility menu.

Why it Matters

This customization tool significantly improves one-handed productivity by reducing the number of steps required to perform common mobile tasks. By streamlining complex actions like multitasking and screen sharing, users can navigate their devices more efficiently without relying on traditional on-screen menus.