Privacy Policy

Application: Phong Thuỷ Toàn Thư

Developer / Legal entity: Cuộc Sống Số

Package name: com.qFengShui

Contact email: xabuon001@gmail.com

Effective date: August 28, 2026

This Privacy Policy applies to the mobile application “Phong Thuỷ Toàn Thư” (the “App”), developed and published on Google Play by Cuộc Sống Số (the “Developer”).

The App is provided free of charge and is supported by advertising. By using the App, you agree to the collection and use of information in accordance with this Privacy Policy.

1. Information Collection and Use

For a better experience while using the App, we may collect or process certain information, including:

• Device information (device model, OS version, app version)
• Log data and crash reports
• Approximate or precise location (if you grant permission), used for compass / phong thủy direction features
• Advertising identifiers and analytics data

We do not sell your personal information. Information is used only to provide, maintain, secure, and improve the App, and to display ads.

2. Third-Party Services

The App uses third-party services that may collect information used to identify you or your device. These services have their own privacy policies:

• Google AdMob: https://policies.google.com/privacy
• Google Firebase (Analytics / Crashlytics): https://firebase.google.com/support/privacy
• Google Play Services: https://policies.google.com/privacy

3. Log Data

When an error occurs in the App, we may collect Log Data through third-party tools. This may include IP address, device name, operating system version, app configuration, date/time of use, and other diagnostics.

4. Cookies / Similar Technologies

The App does not use cookies directly. However, third-party SDKs (such as advertising or analytics providers) may use cookies or similar technologies to collect information and improve their services.

5. Service Providers

We may employ third-party companies to facilitate the App, provide services on our behalf, perform App-related services, or help analyze how the App is used. These parties may access certain information only to perform assigned tasks and are obligated not to disclose or use it for other purposes.

6. Security

We use commercially reasonable measures to protect information. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

7. Children’s Privacy

The App is not directed to children under 13. We do not knowingly collect personally identifiable information from children under 13. If you believe a child has provided us personal information, contact us at xabuon001@gmail.com and we will take appropriate action.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page. You are advised to review this page periodically.

9. Contact Us

If you have questions about this Privacy Policy for the app Phong Thuỷ Toàn Thư published by Cuộc Sống Số, contact:

Email: xabuon001@gmail.com