Terms of Use

Last updated: September 13, 2026

1. Using Mahjong Piano Mahjong Piano is a casual matching and music game for personal entertainment. This version works offline and has no accounts, advertising or in-app purchases. By choosing Continue on the welcome page, you agree to these terms and acknowledge the Privacy Policy. If you do not agree, close the app.

2. Local progress Your settings and performance progress are stored on your device. Uninstalling the app, clearing its data or losing your device may remove your progress. This version does not provide account-based cloud recovery. Device backups are controlled by your operating system.

3. Content and licenses You may use the game for personal entertainment. Rights to the software, artwork and audio remain with their respective owners. Open-source and public-domain materials are governed by their own licenses, available in Credits & licenses. These terms do not limit rights granted by those licenses.

4. Updates Future versions may change game features or content. Material changes to these terms or our privacy practices will be shown in the app. These terms do not exclude any rights you have under applicable consumer law.

5. Privacy and support The Privacy Policy explains local data storage and how we handle information you voluntarily send to support. Contact ruskyluo@gmail.com with questions about the app or these terms.