Privacy Policy

Effective Date: May 5, 2025

This Privacy Policy describes how Beijing Qidian Zhiyun Technology Co., Ltd ("we", "us", or "our") collects, uses, and discloses your personal information when you use the mobile application Sudoku GO! (the "App").

1. Information We Collect

We may collect certain types of information from users of all ages, including but not limited to:

• Device Information: such as device model, operating system, and unique identifiers.
• Usage Data: including how you interact with the App, gameplay statistics, and performance analytics.
• Advertising Data: related to ad impressions, clicks, and engagement.

2. Third-Party Services

We use the following third-party services which may collect information used to identify you:

• Google Analytics: for tracking user behavior and improving the app experience.
• Firebase: for analytics, crash reporting, and cloud messaging.
• AdMob by Google: for displaying advertisements within the app.

Each of these services is governed by their own privacy policies. Please refer to their documentation for further details.

3. Children's Privacy

Our app is designed for users of all ages. We do not knowingly collect personal identifiable information from children under the age of 13. If we become aware that we have inadvertently collected such information, we will take steps to delete it as soon as possible.

4. How We Use Your Information

We use the collected data for the following purposes:

• To provide and maintain our App
• To analyze usage patterns and improve the user experience
• To show personalized advertisements
• To monitor and fix bugs or crashes

5. Data Retention

We retain your information only as long as necessary for the purposes described in this policy, and as required by applicable laws and regulations.

6. Security

We value your trust in providing us your personal information, and strive to use commercially acceptable means of protecting it. However, please be aware that no method of transmission over the internet or electronic storage is 100% secure.

7. Your Rights

You may have the right to access, correct, or delete your personal information. Please contact us using the information below if you have such a request.

8. Contact Us

If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us at:

Email: support@dianji.fun

9. Changes to This Policy

We may update our Privacy Policy from time to time. Any changes will be posted on this page with a new effective date. You are advised to review this page periodically for any updates.

By using our App, you agree to the terms of this Privacy Policy.

Thank you for trusting Sudoku GO!