For use exclusively with Wacom One pen tablets CTC4110WL & CTC6110WL on Android 8-13. FOR ANDROID 8-13 ONLY: The screen of your Android device has a different proportion than the drawing area on your Wacom One pen tablet. Without the Wacom Center App, the drawing displayed on the screen may look distorted from your pen strokes on your Wacom One pen tablet. Wacom Center app calculates the exact size of the Wacom One drawing area needed to assure distortion-free drawing, and adjusts the drawing a