Mandatory installation APP! Rappa retteu interactive experience right now! ■ Information about the app access According to Article 22 2 "Promotion of Information and Communications Network Utilization and Information Protection Act, etc." You get to accept a user on the "App permissions" for purposes such as: Only the necessary items in the essential services and access. Also selective approach is available even if you do not allow services and contents are as follows: [About the required app