Privacy Policy

About Mahjo

Mahjo is a multiplayer Mahjong game available on iOS and Android. This Privacy Policy explains how we collect, use, and protect your information when you use the Mahjo app and our website at playmahjo.com.

By using Mahjo, you agree to the collection and use of information as described in this policy.

Information We Collect

We collect the following types of information:

• Account information — your email address and name, provided when you sign in via Google Sign-In or Apple Sign-In through Firebase Authentication.
• Gameplay data — games played, scores, win rates, and round history, used to power your in-app stats and history.
• Device information — device type, operating system version, and general usage data, collected automatically by Firebase Analytics.
• Crash and performance data — diagnostic information about app errors and performance, collected by Firebase Crashlytics.

How We Use Your Information

• To authenticate you and maintain your account securely.
• To display your personal stats and game history within the app.
• To identify and fix bugs and improve app performance using Crashlytics data.
• To understand general usage patterns through Firebase Analytics so we can improve the experience for all players.

We do not use your data for advertising or marketing purposes.

Data Sharing and Third Parties

We do not sell your personal data to any third parties.

Your data is processed by the following trusted services:

• Google Firebase (Authentication, Analytics, and Crashlytics) — processed under Google's data processing terms and privacy policies.
• Adapty — handles subscription and billing management. We do not directly store any payment information. Transactions are processed by the Apple App Store or Google Play Store under their respective terms.

We may disclose your information if required by law or to protect the rights, property, or safety of Mahjo, our users, or the public.

Your Rights and Choices

You have control over your data:

• Delete your account — you can delete your account and all associated data at any time from within the Mahjo app settings.
• Data requests — for any questions, access requests, or data-related inquiries, contact us at support@mahjo.app.

Children's Privacy

Mahjo is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently collected data from a child under 13, please contact us at support@mahjo.app and we will promptly delete it.

Data Retention

• Account and gameplay data is retained until you delete your account.
• Analytics and crash data is retained according to Google Firebase's default retention settings.

Changes to This Policy

We may update this Privacy Policy from time to time. When we do, we will revise the "Last updated" date at the top of this page. We encourage you to review this page periodically. Continued use of Mahjo after any changes constitutes your acceptance of the updated policy.

Contact Us

If you have any questions or concerns about this Privacy Policy or how your data is handled, please reach out: