Terms of Use
Last Updated: August 5, 2026
Welcome to rosemahjong.app. Please read these Terms of Use ("Terms") carefully before downloading, accessing, or using our website, application, or related services (collectively, the "Service").
1. Acceptance of Terms
By downloading, accessing, or using Rose Mahjong, you agree to be bound by these Terms. If you do not agree to these Terms, you may not access or use the Service.
2. Intellectual Property & Ownership
- App Content & Proprietary Code: All software code, dynamic visual interface designs, algorithms, logos, graphics, brand names, and original written text contained within Rose Mahjong are the exclusive property of Rose Mahjong and are protected by United States and international copyright, trademark, and intellectual property laws.
- Third-Party Trademarks & Rule Compatibility:"National Mah Jongg League" and "NMJL" are registered trademarks of their respective owners. Rose Mahjong makes no claim of ownership over third-party trademarks or proprietary card designs. The functional tile matrices, uncopyrightable rule logic, and combination calculations provided within the Service are independently developed for educational, training, and compatibility purposes under nominative fair use.
3. License to Use
We grant you a limited, non-exclusive, non-transferable, revocable license to access and use Rose Mahjong for personal, non-commercial entertainment and training purposes on supported personal devices.
4. Prohibited Conduct
You agree that you will not:
- Reverse-engineer, decompile, disassemble, or attempt to extract the source code or underlying algorithms of the Service.
- Modify, duplicate, distribute, sell, or create derivative works based on the application interface or Service features.
- Use automated scripts, bots, scrapers, or exploits to interfere with gameplay, server infrastructure, or online multiplayer features.
5. Disclaimer of Warranties
The Service is provided on an "AS IS" and "AS AVAILABLE" basis without warranties of any kind, whether express or implied. Rose Mahjong does not guarantee that the Service will be uninterrupted, error-free, or that automated hand-matching algorithms will be binding in live, official tournament play.
6. Limitation of Liability
To the maximum extent permitted by applicable law, Rose Mahjong shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising out of or related to your use of, or inability to use, the Service.
7. Governing Law
These Terms shall be governed by and construed in accordance with the laws of the Commonwealth of Massachusetts, without regard to its conflict of law principles.
8. Contact Us
If you have any questions regarding these Terms of Use, please contact us at: support@rosemahjong.app.
Website: https://rosemahjong.app