Effective Date: July 27, 2026

We operate the Sudoku: CaCk game (the "Game"). This Privacy Policy explains how we handle information when you play our Game.

1. Information We Collect
We are committed to protecting your privacy. Depending on how you use the Game, we may collect the following information:
Personal Information (Google Account): If you choose to "Connect Account" via Google Sign-In, we access basic profile information provided by Google, such as your Name, Email address, and Profile Picture. This is used only to personalize your experience and sync your progress.
Financial Information (Purchases): When you purchase Hint Bundles or a Subscription, the transaction is handled entirely by the Google Play Billing System. We do not collect or store your credit card or bank details. We only receive confirmation that the purchase was successful to award your items.
Advertising & Device IDs: Our Game uses Google AdMob to show ads. AdMob may automatically collect your Advertising ID, IP address, and coarse location to serve relevant advertisements.
Game Data (Stored Locally): We store your puzzle progress, solved puzzles, best times, and settings (like Dark Mode) locally on your device using encrypted storage.

2. How We Use Information
We use the data collected to:
Save and sync your Sudoku progress across devices.
Provide "Hints" and "Remove Ads" features that you have purchased.
Show relevant advertisements.
Analyze basic app performance to fix bugs and improve the game.

3. Third-Party Services
We integrate with several trusted third-party services. Please review their privacy policies:
Google Play Services & Google Sign-In: Google's Privacy Policy
Google AdMob (Advertising): How Google uses information from sites or apps that use our services
Google Play Billing: Google Play Terms of Service

4. GDPR & User Consent
If you are located in the European Economic Area (EEA) or UK, we use the User Messaging Platform (UMP) to gather your consent before serving personalized ads. You can change your privacy choices at any time through the "Privacy Settings" button in the Game settings.

5. Children's Privacy
Our Game is family-friendly. We do not knowingly collect personal information from children under 13. If you believe we have accidentally collected such data, please contact us for immediate deletion.

6. Data Deletion
You can request the deletion of your account and associated data by contacting us at the email below. You can also clear local game data by uninstalling the app or clearing the app's storage in your phone settings.

7. Contact Us
If you have any questions, please contact us at: Email: christianaantoniou10@gmail.com