Guess who is good at luxury watch games! An advertising banner is included. We call Android Advertising ID to distinguish users. The Android advertising ID is not used directly or exposed or stored, but is changed to a unique value through UUID and then encrypted before use. UUID - Universally unique identifier: [Permission information for using the app] 1) Required access rights - doesn't exist - 2) Optional access rights - Notification: Permission required to receive push (notification)