Privacy Policy

Last Updated: January 2026
Effective Date: January 3, 2026

Please read this Privacy Policy carefully to understand how we collect, use, and protect your personal information.

This Privacy Policy applies to all games and applications developed and published by Beijing Changwan Interactive Entertainment (“we”, “us”, or “our”). It describes how we collect, use, store, and disclose information when you use our applications and services (“Services”).

1. Information We Collect

The information we collect depends on how you use our Services. We may collect the following types of information:

1.1 Personal and Device Information

• Unique identifiers such as:
  • Advertising ID (Google Advertising ID)
  • Device ID
  • Player or game identifiers
• Device and technical information:
  • Device model and operating system version
  • System language and time zone
  • Network connection type
  • Available storage and performance-related data
• Application usage data:
  • Game progress and levels completed
  • In-game settings and preferences
  • Interaction events and timestamps

1.2 Advertising Data

We display third-party advertisements through advertising partners such as Google AdMob. These partners may collect information to provide ads, including:

• Advertising identifiers
• IP address (used for coarse location such as country or region)
• Ad interaction data (such as ad impressions and clicks)

Advertising data may be used to deliver personalized or non-personalized advertisements, depending on your consent and applicable law.

2. Purpose of Data Collection

• To provide and maintain our Services (e.g., saving progress and settings)
• To improve gameplay experience and application performance
• To analyze usage patterns and optimize game design
• To display advertisements and measure ad performance
• To comply with legal obligations
• To respond to user inquiries and provide customer support

We do not sell your personal information to third parties.

3. Consent and User Choices (GDPR & EU Users)

If you are located in the European Economic Area (EEA), the United Kingdom, or Switzerland, we use Google’s User Messaging Platform (UMP) to request your consent before displaying advertisements that require consent.

• You may choose to accept personalized ads or receive non-personalized ads
• Your consent choice is respected before ads are requested
• You may change or withdraw your consent at any time via the Privacy Options entry point (if available)

4. Privacy Options Entry Point

Where required by applicable law, we provide a Privacy Options interface that allows users to review, modify, or withdraw their advertising consent choices.

If a Privacy Options entry point is not required in your region, this option may be hidden or disabled.

5. Children’s Privacy

Our Services are not directed at children under the age of 13 (or the minimum age required by applicable law). We do not knowingly collect personal information from children.

If you believe that a child has provided us with personal information, please contact us and we will take appropriate action.

6. Third-Party Services

Our apps may include third-party SDKs and services, such as:

• Google AdMob
• Google Play Services
• Google Analytics for Firebase (if enabled)

These third parties may collect and process information in accordance with their own privacy policies.

Third-Party Privacy Policies

We encourage you to review the privacy policies of Google services used in our applications:

• Google AdMob & Google Ads
  https://policies.google.com/privacy
• Firebase
  https://firebase.google.com/support/privacy
• Google Play Services
  https://policies.google.com/privacy

7. Data Security

We take reasonable technical and organizational measures to protect your information. However, no method of transmission or storage is completely secure.

8. Data Retention

We retain information only for as long as necessary to fulfill the purposes described in this Privacy Policy or as required by law.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Continued use of our Services after changes take effect constitutes your acceptance of the updated policy.

10. Contact Us

If you have any questions about this Privacy Policy, please contact us:

Email: lishangnan25@gmail.com