Privacy Policy

1. Information Collection

1.1 Types of Information We Collect

• Account Information: When you choose to create an account, we may collect your email address, username, and other basic information
• Game Data: Game progress, scores, play time, game replay data
• Device Information: Device type, operating system version, device identifiers
• Usage Statistics: App usage frequency, feature usage, crash reports
• Technical Information: IP address, app version, error logs

1.2 How We Collect Information

• Information you actively provide (account registration, game actions)
• Automatically collected technical information (via Firebase Analytics)
• Device access permissions (only when necessary)

2. Use of Information

We use collected information solely for the following purposes:

• Provide Game Services: Save game progress, sync data, provide replay functionality
• Improve User Experience: Analyze game usage to optimize performance and features
• Technical Support: Diagnose and fix technical issues, provide customer support
• Security: Prevent fraud, abuse, and security threats
• Product Development: Understand user needs, develop new features, and improve existing ones

3. Third-Party Services

3.1 Google Firebase

We use Google Firebase to provide the following services:

• Firebase Authentication: User login and identity verification
• Cloud Firestore: Secure storage of user game data and replay records
• Firebase Analytics: Collection of app usage statistics and performance data
• Firebase Crashlytics: Collection of crash reports to improve app stability

Firebase data processing follows Google's Privacy Policy:
https://policies.google.com/privacy

3.2 Data Location

Your data is primarily stored on Firebase servers located in the Asia region, ensuring low latency and better service quality.

4. Data Security and Protection

4.1 Security Measures

• All data transmission is encrypted using HTTPS
• Firebase provides enterprise-grade security and encrypted storage
• Regular security reviews and updates
• Implementation of access controls and permission management

4.2 Data Retention

• Account Data: Retained until you delete your account
• Game Data: Removed when you delete your account or actively delete it
• Analytics Data: Anonymized and retained for up to 24 months
• Crash Reports: Retained for up to 90 days

5. Your Rights and Choices

5.1 Data Access and Control

• Access Right: You can view and export your personal data
• Modification Right: You can update or correct your personal information
• Deletion Right: You can request deletion of your account and related data
• Data Portability: You can export your game data

5.2 Privacy Settings

• You can choose whether to create an account (anonymous gaming)
• Control whether to enable data sync functionality
• Choose whether to participate in analytics data collection

6. Children's Privacy Protection

Our app is suitable for users of all ages. For children under 13:

• We do not knowingly collect personal information from children under 13
• If we discover we have inadvertently collected children's information, we will delete it immediately
• Parents can contact us to view, modify, or delete their child's information

7. Data Transfer and Cross-Border

Due to our use of Firebase services, your data may be transferred to the following regions:

• Primarily stored in Asia region (Singapore, Tokyo)
• May involve Google's global server network
• All transfers are encrypted for protection
• Complies with applicable data protection regulations

8. Game-Specific Features

8.1 Supported Games

Our application contains multiple classic games, including but not limited to puzzle games, strategy games, and other types of games. As our product evolves, we will continuously add new game content.

8.2 Replay Functionality

We save your game replay data, including:

• Game action sequences
• Timestamp information
• Game results and scores
• Difficulty settings

This data is used solely to provide replay functionality. You can delete your personal replay records at any time.

9. Policy Changes

We may update this Privacy Policy from time to time. When significant changes occur:

• We will notify you within the app
• Updated versions will be published on this page
• Continued use of the app indicates acceptance of the new policy
• For major changes, we will seek your explicit consent

10. Contact Us

11. Legal Statement

The interpretation and enforcement of this Privacy Policy are subject to the following laws and regulations:

• Cybersecurity Law of the People's Republic of China
• Personal Information Protection Law of the People's Republic of China
• General Data Protection Regulation (GDPR) (if applicable)
• California Consumer Privacy Act (CCPA) (if applicable)
• Other applicable regional data protection regulations