FCUZ
Privacy Policy (English) Last updated: 30 March 2026 Privacy Policy Information Collected and Purpose of Use ① Mandatory Information - Nickname (2–6 characters), Status Message (up to 20 characters), Focus Label: Creating and joining study rooms, displaying profiles - Device-specific unique ID (anonymous): Identifying service users and compiling statistics - Time of consent: Record for compliance with the Personal Information Protection Act ② Optional Information - Cheer (in-app currency) records, session statistics: Stored only on the device; not stored on the server ③ Information Stored on the Server No personal information is stored on the server unless you use ‘My Study’ (offline) or enter an online room. Only when using an online room is the above mandatory information stored on the server until immediately after the room closes. Retention Period [Server-stored information] ...