1. Collection of Information

We may collect your information in the following ways:

1.1 Information provided directly by you

• Account information: When you register an account, you may provide information such as your name, email address, username, password, etc.
• Payment information: For in-app purchases, we may collect payment credentials (such as PayPal account), but payment processing is completed by a third party (such as Google Play payment) and we will not store complete payment information.
• User-generated content: If you send pictures or messages, we may store related content.
• Contact information: When you contact us, we may record your email and chat history information to better serve you.

1.2 Automatically collected information

• Device information: including device model, operating system version, unique device identifier (such as IMEI, Android ID, advertising ID), IP address, MAC address, screen resolution, etc.
• Log data: application crash reports, usage behavior (such as clicks, page visits), session duration, frequency of function usage, etc.

2. Purpose of information use and detailed description

We promise to use your personal information only within the scope of lawfulness, legitimacy and necessity, and strictly abide by relevant laws and regulations. The following are specific scenarios and detailed descriptions of how your information may be used:

2.1 Providing and optimizing core services

We use your information to ensure the normal operation of the application and continuously improve the user experience, including:

• Application function execution: based on your account information and device data (such as operating system version) to ensure functional compatibility, such as adapting to different screen resolutions or hardware configurations.
• Fault diagnosis and repair: quickly locate technical problems by analyzing crash logs and error reports (such as Firebase Crashlytics), and fix vulnerabilities or performance bottlenecks.
• Service update and maintenance: plan version iterations based on data such as device model and frequency of use, such as optimizing resource usage for low-memory devices.

2.2 Personalized User Experience

To provide services that better meet your needs, we may use data in the following scenarios:

• Content recommendation: Recommend related features or content based on your historical behavior (such as click preferences, length of stay).
• Interface adaptation: Display localized content (such as currency units, time zones) by default based on language settings and geographic location.

2.3 User Support and Communication

To respond to your needs efficiently, we may:

• Handle inquiries and complaints: Follow up service requests through the contact information you provide (such as email, phone number), and retain communication records to improve support quality.
• Transactions and refunds: Verify payment information (such as order number, payment voucher) to complete purchases, refunds or subscription management.
• Important notifications: Send non-marketing information related to the service (such as changes to terms, security warnings).

2.4 Security and legal compliance

Your information will be used to ensure service security and fulfill legal obligations:

• Risk control: Identify abnormal behaviors (such as bulk registration, fraudulent transactions) by analyzing IP addresses and login devices, and take restrictive measures.
• Authentication: Verify identity in sensitive operations (such as password reset) to prevent account theft.
• Legal response: Cooperate with judicial authorities to provide data in accordance with the law (such as user information required by court subpoenas).

2.5 Data analysis and business decision-making

We aggregate and anonymize data (individual identity cannot be identified) to:

• Usage trend analysis: Statistical indicators such as function usage rate and user retention rate to optimize product design.
• Business strategy formulation: Plan market expansion or resource allocation based on data such as geographical distribution and device type.
• Third-party cooperative research: Share desensitized data with academic institutions or research organizations for industry reports (such as mobile application behavior research).

3. Sharing and disclosure of information

We are well aware that the security of your personal information is of vital importance, so we only share your information when necessary and under the premise of taking strict protection measures. The following is a detailed description of sharing scenarios:

3.1 Necessary sharing with service providers

To ensure the normal operation of application functions and provide high-quality services, we may share necessary information with the following categories of third-party service providers:

• Cloud storage service providers (such as AWS, Google Cloud):
  • Shared content: user account information, application settings, user-generated content, etc.
  • Purpose: Safely store data to ensure service availability and disaster recovery
  • Protection measures: Sign a data processing agreement and require service providers to implement encrypted storage

3.2 Disclosure required by law

In the following legally relevant circumstances, we may need to disclose your information:

• At the request of the government or law enforcement agency:
  • When a subpoena, court order or other legal procedure with legal effect is received
  • The scope of disclosure will be strictly limited to the minimum necessary information required by law
  • To prevent or investigate possible illegal and criminal acts (such as fraud, cyber attacks, etc.)
• Compliance disclosure:
  • To comply with applicable laws, regulations, industry standards or government regulations
  • When necessary, such as tax audits or regulatory inspections

We will carefully evaluate all legal disclosure requests to ensure their legality and necessity, and notify affected users to the extent permitted by law.

3.3 Transfers in Business Transactions

In the following business changes, your information may be transferred as part of the transaction assets:

• Company mergers and acquisitions:
  • If we participate in a merger, acquisition or asset sale transaction
  • The transferee will inherit the rights and obligations under this Privacy Policy
• Sharing with subsidiaries or affiliates:
  • Sharing necessary information within the group for business operations
  • All affiliates must comply with the same protection standards

In any business transaction, we will inform users of the transfer of data through prominent means (such as in-app notifications or emails) and provide necessary options.

3.4 Other sharing situations

• Sharing based on user explicit authorization:
  • When you choose to use a third-party login (such as Google account login)
  • When you actively ask us to share information with specific third-party services

We are committed to regularly reviewing all data sharing practices to ensure that they continue to meet privacy protection best practices and legal and regulatory requirements. You can contact us by email at any time to learn about the specific circumstances of your data sharing.

4. Data security protection measures

We implement industry-standard security measures to protect your data from unauthorized access, modification or disclosure. However, no method of transmission over the Internet or electronic storage is 100% secure. Although we have implemented strict security measures, we need to remind you:

• You should also keep your account credentials properly and avoid using weak passwords
• It is recommended to update the operating system and application versions regularly

5. Your choices and rights

You have multiple rights to your personal information, including the right to access, update or delete the data you provide at any time; you can also manage permissions through device settings, such as camera or microphone access; in addition, you can choose to deactivate or delete your account at any time, and we will handle your request in a timely manner in accordance with applicable laws to protect your right to know and right to choose.

6. Protection of minors

7. Changes to this policy

We reserve the right to modify this privacy policy at any time to reflect changes in business practices, technological developments or laws and regulations. Any policy changes will be published in an updated version on this page and the latest revision date will be marked. For non-substantial changes (such as wording optimization or management process adjustment), your continued use of our services will be deemed to have accepted the updated terms.

For major changes (including but not limited to substantive changes in the purpose, scope or method of data processing), we will notify you in one of the following ways: (1) push a prominent notification in the app; (2) display a summary of the changes when you log in next time. Special note: If the change involves expanding the scope of personal sensitive information collection or changing the core data processing rules, we will obtain your explicit authorization again. You have the right to review the revised content and decide whether to continue to use the service. We promise that all changes will not diminish your data rights under current laws.

8. Contact Us