SudoThink: Classic Sudoku

 

Privacy Policy for SudoThink: Classic Sudoku

Published by Hefe Game Studio

Effective Date: 25 August 2025

1. Introduction

Welcome to SudoThink: Classic Sudoku (“we”, “our”, “us”). Hefe Game Studio respects your privacy and is committed to protecting your personal information. This Privacy Policy explains how we collect, use, and share data when you use our game.

By downloading or using SudoThink: Classic Sudoku, you agree to the collection and use of information as described below.

2. Information We Collect

We use the following services and SDKs in our game:

  • Firebase Analytics (Google)
  • Firebase Crashlytics (Google)
  • Google Mobile Ads (AdMob)
  • Google Play In-App Billing
  • Facebook Audience Network (Meta Ads)

    Through these services, we may collect the following types of information:

    Data TypePurpose / Usage
    Device & Account Identifiers (App Instance ID, Advertising ID, Firebase Installation ID, Facebook Advertising ID)App functionality, crash reporting, analytics, advertising
    App Interactions / Activity (screen views, events, gameplay actions)Analytics, app functionality, improving user experience
    Diagnostics / Crash Reports (stack traces, error logs)Crash reporting and app reliability improvements
    Approximate Location (via IP)Serving personalized ads, app analytics
    Purchase History (in-app purchases & subscriptions)Delivering purchased content, account management, fraud prevention

    Note:

    • We do not collect precise location, full personal information (name, email, address), credit card details, or other sensitive financial information.
    • All payments are processed securely by Google Play Billing.

      3. How We Use Your Data

      • To improve app performance and fix crashes.
      • To analyze gameplay and app usage for better user experience.
      • To deliver personalized advertisements in compliance with Google Play and Meta Ads policies.
      • To manage in-app purchases and subscriptions securely.
      • To prevent fraud and ensure security.

        4. Data Retention & Deletion

        • Firebase Analytics: User data is retained for up to 14 months.
        • Firebase Crashlytics: Crash reports are retained until deleted by you or anonymized.
        • Ads Data (Google & Facebook Ads): Advertising identifiers are managed by Google and Meta and can be reset by users.
        • In-App Purchases: Purchase records are securely stored by Google Play.

          User Deletion Requests:
          You can request deletion of your game-related data by contacting us at:
          📧 Email: hefegamestudio@gmail.com

          We will process deletion requests in accordance with applicable laws and SDK policies.

          5. Data Security

          We take reasonable steps to protect the data collected via our app. All data is transmitted securely over HTTPS. Crash reports, analytics, and ads data are stored using secure servers of Google, Firebase, and Meta.

          6. Children’s Privacy

          SudoThink: Classic Sudoku is targeted to children as well as general audiences. We comply with the Google Play Families Policy and Meta Ads requirements. We do not knowingly collect personal information from children outside what is required for app functionality and contextual ads.

          Parents or guardians may request deletion of data collected from children by contacting us.

          7. Third-Party Services

          Our app uses the following third-party services, which have their own privacy policies:

          8. User Choices

          • Advertising ID Reset: Users may reset their device Advertising ID or opt out of personalized ads in device settings.
          • Data Deletion: Users can request deletion as described above.
          • Optional Data: Approximate location used for ads is optional and can be disabled through device settings or ad personalization settings.

            9. Changes to This Policy

            We may update this Privacy Policy from time to time. The latest version will always be posted on our store listing and within the app. Changes are effective immediately upon posting.

            10. Contact Us

            If you have questions or requests regarding this Privacy Policy or your data, please contact:

            Hefe Game Studio
            📧 Email: hefegamestudio@gmail.com

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