Privacy Policy

This Privacy Policy describes how Sudoku - Classic Puzzle Game ("we", "our", or "the app") collects, uses, and protects your information when you use our mobile application.

1. Information We Collect

1.1 Information You Provide

Our app is designed to be used without requiring you to provide any personal information. We do not collect, store, or process any personally identifiable information such as:

• Name
• Email address
• Phone number
• Physical address
• Payment information

1.2 Automatically Collected Information

Our app may collect certain information automatically, including:

• Game Statistics: Game progress, difficulty levels played, completion times, and scores are stored locally on your device only.
• Device Information: When displaying ads through Google AdMob, certain device information may be collected (see Section 3).

2. Local Data Storage

All game data is stored locally on your device using Android's SharedPreferences. This includes:

• Current game progress
• Game settings and preferences
• Statistics (games played, completion times, best scores)

This data never leaves your device and is not transmitted to our servers or any third parties.

3. Third-Party Services

3.1 Google AdMob

Our app displays advertisements through Google AdMob. AdMob may collect and process certain information to provide personalized ads. Information that may be collected includes:

• Device advertising ID
• IP address
• Device type and operating system
• App usage data
• Geographic location (approximate)

Google AdMob is subject to Google's Privacy Policy. You can review it here:

• Google Privacy Policy
• AdMob Privacy Information

3.2 Ad Personalization

You can opt out of personalized advertising by:

• Visiting your device's Settings → Google → Ads → Opt out of Ads Personalization (Android)
• Using the Google Ads Settings page: https://adssettings.google.com

4. Permissions

Our app requires the following permissions:

• INTERNET: Required to display advertisements
• ACCESS_NETWORK_STATE: To check internet connectivity before loading ads
• VIBRATE: To provide haptic feedback during gameplay

We do not request any other permissions, and we do not access your contacts, camera, microphone, location, or storage.

5. Children's Privacy

Our app does not knowingly collect any information from children under the age of 13. The app does not target children, and we do not knowingly collect personal information from children. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

Google AdMob ads displayed in our app are configured to comply with the Children's Online Privacy Protection Act (COPPA) and will not show personalized ads to users identified as children.

6. Data Security

We take reasonable measures to protect the information stored on your device:

• All game data is stored locally using Android's secure storage mechanisms
• No data is transmitted to external servers (except through AdMob for ads)
• We do not create user accounts or maintain any databases with user information

7. Data Retention and Deletion

All game data stored locally on your device will remain until:

• You uninstall the app (which automatically deletes all local data)
• You clear the app's data through your device settings

Since we do not store any data on our servers, there is no data for us to delete upon your request.

8. International Data Transfers

While our app itself does not transfer data internationally, Google AdMob may process data in different countries as part of their advertising services. Please refer to Google's Privacy Policy for information about their data processing practices.

9. Your Rights

Depending on your location, you may have certain rights regarding your data:

• Access: Since all data is stored locally on your device, you have full access to it
• Deletion: You can delete all data by uninstalling the app or clearing app data
• Opt-out: You can opt out of personalized ads (see Section 3.2)

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated "Last Updated" date. We encourage you to review this Privacy Policy periodically for any changes.

Continued use of the app after any modifications to the Privacy Policy constitutes your acceptance of such changes.

11. Third-Party Links

Our app may contain links to third-party websites or services (such as through advertisements). We are not responsible for the privacy practices of these third parties. We encourage you to read their privacy policies.

12. California Privacy Rights

If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA). However, since we do not collect or sell any personal information, these rights may not apply to our app's core functionality. For information collected by AdMob, please refer to Google's privacy disclosures.

13. GDPR Compliance (European Users)

For users in the European Economic Area (EEA), we comply with the General Data Protection Regulation (GDPR):

• We do not process any personal data directly
• Data collected by AdMob is processed under Google's GDPR-compliant terms
• You have the right to opt out of personalized advertising
• You can request information about data processing by contacting us