Privacy Policy

Effective date: 2025-10-31

This Privacy Policy describes how Macau Heritage AR Card ("the App", "we", "us") handles information on Android.

Summary

• We do not sell your data and do not share personal information.
• Limited diagnostic and aggregated analytics data may be processed to improve stability and quality.
• Camera is required to provide AR features; camera frames are processed on-device and not stored by the App.

Information We Collect

• No personal information (such as name, email, phone number) is collected directly by the App.
• Device and app information: device model, OS version, app version, language, and basic diagnostics.
• Aggregated analytics events: feature usage, session counts, and non-identifying performance metrics.
• Crash diagnostics: stack traces and device state at the time of a crash (non-identifying), used solely to improve stability.

How We Use Information

• Provide core AR functionality and ensure performance.
• Improve stability and user experience.
• Understand general usage patterns to guide improvements.

Legal Bases (where applicable)

Where required by law (e.g., GDPR regions), we rely on legitimate interests to operate and improve the App. We do not use data for personalized advertising.

Permissions and Purpose

• Camera: required for AR. Frames are processed on-device to detect surfaces; not stored or transmitted by the App.
• Microphone: not requested or used.
• Location: not requested or used.

Third-Party Services and Sharing

• We do not sell your data.
• We do not share personal information with third parties.
• Limited data is processed by service providers strictly for analytics and crash reporting to support quality and stability.

Services used:

• Google Play Services (distribution and baseline services)
• Firebase Analytics (aggregated usage analytics)
• Firebase Crashlytics (crash reporting)
• ARCore (camera-based AR functionality)

Please review their privacy practices:

• Google Privacy & Terms
• Firebase Privacy & Security
• ARCore Privacy

Data Retention

• Analytics and crash logs are retained by providers for the minimum period necessary per their default retention policies.
• We do not store personal user profiles on our servers.

Children’s Privacy

The App is intended for a general audience and does not knowingly collect personal information from children. If you believe a child provided personal information, contact us to delete it.

International Data Transfers

Service providers (e.g., Google/Firebase) may process data on servers in various countries with appropriate safeguards per their policies.

Security

We and our service providers implement reasonable technical and organizational measures to protect data. However, no method of transmission or storage is 100% secure.

Changes to This Policy

We may update this Privacy Policy. We will indicate updates by changing the “Effective date” above. Continued use after changes means you accept the updated policy.

Contact Us

If you have questions or requests regarding this policy, please contact: example@example.com