Android Bluetooth joystick

Using Arduino Networking, Protocols, and Devices
6

The screen shown on the second screenshot at https://play.google.com/store/apps/details?id=org.projectproto.btjoystick&feature=search_result#?t=W251bGwsMSwxLDEsIm9yZy5wcm9qZWN0cHJvdG8uYnRqb3lzdGljayJd doesn't show up. How can I fix this?