Privacy Policy

Last Updated: December 4, 2025
Effective Date: December 4, 2025

This Privacy Policy applies to our application "InkJoy" (hereinafter referred to as "the App"). The App is operated and provided by Beijing Mozhen Technology Co., Ltd. (hereinafter referred to as "we" or "us"). We are committed to strictly complying with Google Play policies and relevant laws and regulations to protect user privacy and data security. This policy aims to clearly explain how we collect, use, store, and share information.

1. Information We Collect

1.1 Information You Actively Provide

Including but not limited to:

1.2 Automatically Collected Device Information

Used to ensure normal operation of App functions, including:

1.3 Permission Usage Explanation

All based on the "Principle of Minimum Necessity". The App will request the following permissions according to actual functions:

Permission Purpose Necessary
INTERNET Communicate with servers, synchronize data Yes
READ_MEDIA_IMAGES / READ_EXTERNAL_STORAGE Read album photos for user uploads and album creation Yes
READ_MEDIA_VIDEO Read video content for album management No
WRITE_EXTERNAL_STORAGE (Only ≤ Android 9) Save photos or app files No
CAMERA Take photos, scan QR codes No
ACCESS_WIFI_STATE / CHANGE_WIFI_STATE Manage Wi-Fi status for connecting to photo frame devices or network operations No
BLUETOOTH / ADMIN / SCAN / CONNECT Bluetooth pairing with devices, such as photo frames, LAN devices No
ACCESS_FINE_LOCATION / COARSE_LOCATION / BACKGROUND_LOCATION For Bluetooth scanning, Wi-Fi search (Android requires location permission to obtain Wi-Fi/Bluetooth information) No
NEARBY_WIFI_DEVICES Android 13+ Wi-Fi SSID information reading for device connection No
GET_ACCOUNTS Support for obtaining Google login account information No
ACCESS_NETWORK_STATE Determine network status Yes
VIBRATE Vibration feedback No
SYSTEM_ALERT_WINDOW Display floating window functionality (if needed) No

We do not secretly obtain location, camera, or microphone data in the background, nor do we use permissions for undisclosed purposes.

2. How We Use Information

We use collected information for:

We do not engage in privacy deception or device abuse.

3. Third-Party Services and SDKs

We use the following third-party services for analysis and stability:

SDK Name Provider Purpose
Firebase Analytics Google Statistical analysis, app usage behavior analysis
Firebase Crashlytics Google Crash log collection and stability improvement

We do not sell users' personal information.

If calling Google Photos or other Google APIs, it will only be done after user authorization.

4. Information Storage and Security Measures

We adopt reasonable technical and administrative measures to ensure data security, including but not limited to:

After users stop using the service, we will delete or anonymize user data, unless otherwise required by law.

5. Your Rights

You have the right to:

6. Children's Privacy Protection

We do not knowingly collect personal information from children under 13. If a guardian believes a child has provided information to us, please contact us for deletion.

7. Privacy Policy Updates

We may update this policy according to service changes. If there are significant changes, we will notify you within the App or in a prominent location.

8. Contact Us

If you have any questions about this Privacy Policy, you can contact us through:

Developer Name: Beijing Mozhen Technology Co., Ltd.

Email: [email protected]