This Privacy Policy describes how Y.Z.O.S. (the "App," "we," "us," or "our") collects, uses, shares, and protects your information when you use our mobile application, Y.Z.O.S.: Chinese Learning Companion (the "Service").

By downloading, accessing, or using the Service, you signify that you have read, understood, and agree to the collection and use of your information as outlined in this policy.

1. Information We Collect

We only collect data that is necessary for the proper functioning of the Service, to improve your learning experience, and for app analytics.

A. Information You Provide Directly (Account Data)

When you create an account, you provide us with:

• Email Address: Used for account creation, login, password recovery, and communication.
• Username or Display Name: Used to identify your account within the Service.
• Password: Stored in a secure, encrypted format.

B. Automatically Collected Information (Usage Data)

When you use the Service, we automatically collect certain information about your device and activity:

• Device and Technical Information: Includes your device's unique identifiers, operating system, IP address, and browser type.
• App Usage Information: Details about how you use the Service, such as courses watched, lessons completed, dictionary lookups, and time/duration of activity.

2. How We Use Your Information

We use the information we collect for the following purposes:

• To Provide and Maintain the Service: To manage your account, deliver content, and track your progress.
• For Customer Support: To respond to your requests and feedback.
• For Improvement and Research: To analyze usage trends, troubleshoot technical issues, and improve the app.
• For Security: To monitor and prevent fraudulent activity.
• For Communication: To send service announcements and administrative messages.

3. How We Share Your Information

We do not rent, sell, or share your Personal Information with third parties for marketing purposes. We may share information:

• With Service Providers: Trusted third-party companies (e.g., Google Analytics) for hosting and data analytics.
• For Legal Reasons: To comply with legal obligations or protect the rights and property of Y.Z.O.S.
• In the Event of a Business Transfer: In case of a merger, acquisition, or asset sale.

4. Data Security

We implement appropriate technical and organizational measures to protect the information we collect, including encryption and access controls. However, no electronic storage method is 100% secure.

5. Children's Privacy

The Y.Z.O.S. Service is available for users of all ages.

• For users under the age of 13: We rely on the parent or guardian to manage the account and provide us with consent for data collection.
• Data Collection: We collect only the information necessary to provide the Service (email, username) for all users, regardless of age.
• Parental Rights: Parents/guardians have the right to review, revoke consent, or request deletion of their child's information. Please contact us to exercise these rights.

6. Changes to This Privacy Policy

We may update this policy. We will notify you of changes by posting the new policy on this page and updating the "Last Updated" date. Your continued use of the Service signifies your acceptance of the changes.

7. Contact Us

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