Privacy Policy

1. Scope

This policy applies to the Sudoku Grove Android application, package com.shangang.sudokugrove, published by Xiamen Boxin Lianchuang Network Technology Co., Ltd.

2. Data collection and sharing

The app does not require an account and does not collect or share personal data. It contains no advertising, analytics, tracking, crash-reporting, cloud-sync or third-party data-collection SDK.

The app does not request Internet access and cannot send gameplay data to us or to third parties.

3. Data stored on your device

The following information is stored only in the app's private storage on your device:

• Active puzzle state, entered numbers, notes and elapsed time
• Theme, sound, haptic, mistake-limit and highlighting preferences
• Completion counts, streaks and best times

Android backup is disabled for Sudoku Grove.

4. Permissions

Sudoku Grove does not request access to the Internet, advertising ID, location, contacts, photos, files, camera or microphone. System sound and haptic functions are used only to provide immediate gameplay feedback.

5. Retention and deletion

We do not hold app data on our servers. You can delete all locally stored Sudoku Grove data by clearing the app's storage in Android Settings or by uninstalling the app.

6. Children's privacy

Sudoku Grove is a general-audience puzzle game and is not specifically directed to children. Because the app does not collect personal data, it does not knowingly collect personal information from children.

7. This website

This static website does not use advertising, analytics cookies or account tracking. Standard hosting infrastructure may temporarily process request information such as IP address, browser type and request time to deliver the site and protect it from abuse. We do not use that operational information for advertising or profiling.

8. Changes to this policy

If the app's features or data practices change, this policy and the Google Play Data Safety declaration will be updated before the changed version is released.

9. Contact

For privacy or support questions, contact Xiamen Boxin Lianchuang Network Technology Co., Ltd. at attractive1117@163.com.