隐私政策

最后更新日期：2026 年 5 月

核心要点 国标麻将道场是一款完全离线的学习应用，所有数据仅存储在您的设备上。我们不收集、不传输、不共享任何个人信息。您的学习进度和数据完全属于您自己，随时可以删除。

1. 我们收集哪些数据

国标麻将道场仅在您的设备本地存储以下数据，以提供学习功能：

学习进度：已解锁的章节、已完成的关卡、当前关卡位置
答题统计：答题正确率、总答题数、各章节统计数据
错题记录：答错的题目 ID，用于错题复习功能
应用设置：语言、主题（深色/浅色）、字号偏好等

2. 数据存储方式

✓ 本地存储：所有数据使用 Hive 数据库存储在您的设备本地。

✓ 无服务器传输：应用不会将任何数据发送到我们的服务器或任何第三方服务器。

✓ 完全离线：应用可以在没有网络连接的情况下完全正常使用。

3. 我们不收集的数据

为了保护您的隐私，国标麻将道场明确不收集以下信息：

个人身份信息（姓名、邮箱、电话号码等）
设备唯一标识符（IMEI、设备 ID 等）
位置信息（GPS、IP 地址等）
使用行为分析数据
广告追踪数据
崩溃报告或诊断数据

4. 数据删除

如何删除您的数据

由于所有数据都存储在您的设备本地，您可以通过以下方式删除：

完全删除：卸载国标麻将道场应用，所有数据将被永久删除
清除应用数据：在设备的「设置 → 应用管理 → 国标麻将道场 → 清除数据」中删除所有学习记录

注意：删除数据后将无法恢复，请在操作前确认。

5. 第三方服务

国标麻将道场不使用以下任何第三方服务：

分析服务（如 Firebase Analytics、Google Analytics）
广告服务（如 AdMob、Facebook Ads）
崩溃报告服务（如 Crashlytics、Sentry）
云存储或账号同步服务

注意：应用内可能包含外部链接（用于打开参考资料或反馈页面），这些链接会在您的浏览器中打开，不由本应用控制。本网页（mcr-dojo.web.app）托管于 Google Firebase Hosting，仅用于发布本应用的隐私政策与说明文档，不收集用户数据。

6. 儿童隐私

国标麻将道场适合所有年龄段的用户使用。由于我们不收集任何个人信息，因此没有特定于儿童的隐私问题。

7. 隐私政策更新

我们可能会不定期更新本隐私政策。任何重要变更将通过以下方式通知您：

更新本页面的「最后更新日期」
在应用商店发布说明中标注

建议您定期查看本隐私政策以了解最新信息。

8. 联系我们

如果您对本隐私政策有任何疑问或建议，请通过以下方式联系我们：

应用名称：国标麻将道场 (MCR Dojo)

反馈方式：通过应用内的「反馈」功能提交问题或建议

9. 您的权利

根据隐私保护法规，您对自己的数据享有以下权利：

访问权：您可以随时在应用内查看自己的学习数据和统计信息
删除权：您可以通过卸载应用或清除数据来删除所有信息
数据可携权：虽然应用不提供导出功能，但所有数据都以标准格式存储在您的设备上

Privacy Policy

隐私政策

Last Updated: May 2026

Key Points MCR Dojo is a fully offline learning app. All data is stored only on your device. We do not collect, transmit, or share any personal information. Your learning progress and data belong entirely to you and can be deleted at any time.

1. What Data We Store

MCR Dojo stores the following data locally on your device to provide learning functionality:

Learning Progress: Unlocked chapters, completed levels, current level position
Quiz Statistics: Answer accuracy, total questions answered, per-chapter statistics
Wrong Questions: IDs of incorrectly answered questions for review functionality
App Settings: Language, theme (dark/light), font-size preference, etc.

2. How Data is Stored

✓ Local Storage: All data is stored locally on your device using Hive database.

✓ No Server Transmission: The app does not send any data to our servers or any third-party servers.

✓ Fully Offline: The app works completely offline without any network connection.

3. Data We Do NOT Collect

To protect your privacy, MCR Dojo explicitly does NOT collect the following:

Personal identity information (name, email, phone number, etc.)
Device unique identifiers (IMEI, device ID, etc.)
Location information (GPS, IP address, etc.)
Usage behavior analytics data
Advertising tracking data
Crash reports or diagnostic data

4. Data Deletion

How to Delete Your Data

Since all data is stored locally on your device, you can delete it by:

Complete Deletion: Uninstall the MCR Dojo app, and all data will be permanently deleted
Clear App Data: Go to your device's "Settings → Apps → MCR Dojo → Clear Data" to delete all learning records

Note: Data cannot be recovered after deletion. Please confirm before proceeding.

5. Third-Party Services

MCR Dojo does NOT use any of the following third-party services:

Analytics services (e.g., Firebase Analytics, Google Analytics)
Advertising services (e.g., AdMob, Facebook Ads)
Crash reporting services (e.g., Crashlytics, Sentry)
Cloud storage or account-sync services

Note: The app may contain external links (for reference materials or feedback pages), which open in your browser and are not controlled by this app. This webpage (mcr-dojo.web.app) is hosted on Google Firebase Hosting solely to publish this privacy policy and related documentation; no user data is collected via the site.

6. Children's Privacy

MCR Dojo is suitable for users of all ages. Since we do not collect any personal information, there are no specific privacy concerns for children.

7. Privacy Policy Updates

We may update this privacy policy from time to time. Any important changes will be communicated to you through:

Updating the "Last Updated" date on this page
Noting the change in the app store release notes

We recommend reviewing this privacy policy periodically to stay informed.

8. Contact Us

If you have any questions or suggestions about this privacy policy, please contact us:

App Name: MCR Dojo (国标麻将道场)

Feedback: Use the "Feedback" feature within the app to submit questions or suggestions

9. Your Rights

According to privacy protection regulations, you have the following rights regarding your data:

Access Right: You can view your learning data and statistics within the app at any time
Deletion Right: You can delete all information by uninstalling the app or clearing app data
Data Portability: Although the app does not provide an export feature, all data is stored in standard format on your device