Privacy Policy

Sichuan Mahjong Trainer  ·  Last updated: March 28, 2026

This Privacy Policy explains how Sichuan Mahjong Trainer ("the App", "we", "our") collects, uses, and protects information when you use our mobile application.

1. Information We Collect

We collect only anonymous, aggregated usage data through Firebase Analytics (provided by Google). This includes:

• App usage events (e.g., screens viewed, features used)
• Device type, operating system version, and language settings
• App version and session duration
• General geographic region (country/region level only)

We do not collect any personally identifiable information (PII), account credentials, financial data, or contact information.

2. How We Use the Information

The analytics data is used solely to:

• Understand how users interact with the App
• Identify and fix bugs or performance issues
• Improve features and user experience

3. Third-Party Services

The App uses Firebase Analytics by Google LLC. Data collected by Firebase is subject to Google's Privacy Policy:

https://policies.google.com/privacy

4. Data Retention

Analytics data is retained by Google Firebase according to their default retention policies (up to 14 months). We do not store any user data on our own servers.

5. Children's Privacy

The App does not knowingly collect personal information from children under 13. The App contains no user accounts, social features, or content submission mechanisms.

6. Your Choices

You can opt out of analytics data collection by adjusting your device's privacy settings or by limiting ad tracking on iOS/Android.

7. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date.

8. Contact Us

If you have questions about this Privacy Policy, please contact us at the email address listed on the App Store product page.