Privacy Policy

1. Overview

Beijing Cool Network Technology Co., Ltd. (hereinafter referred to as "we" or "company") takes user privacy protection very seriously. This privacy policy explains how we collect, use, store, and protect your personal information. Please read this policy carefully to understand how we handle your personal information.

HandLearn is a learning application we developed. By using this application, you agree to the terms of this privacy policy. If you do not agree with this policy, please do not use this application.

2. Information Collection

2.1 Types of Information We Collect

To provide you with quality services, we may collect the following types of information:

• Account Information: Username, phone number, email address, and other registration information
• Device Information: Device model, operating system version, unique device identifier, etc.
• Usage Information: App usage patterns, click behavior, browsing history, etc.
• Location Information: Geographic location information collected with your authorization
• Learning Data: Progress records, exercise results, learning preferences, etc.

2.2 Information Collection Methods

• Information you actively provide (such as during registration or service use)
• Information we automatically collect (such as device information and usage statistics)
• Information provided by third-party partners (such as learning content providers)

2.3 Clipboard Usage

We may read content from your clipboard, but only for the following purposes:

• Automatically identify learning content you've copied
• Quickly provide relevant learning materials and exercises
• Enhance your learning experience

We promise:

• Clipboard functionality is only enabled after you explicitly agree to the privacy policy
• We will not collect or upload sensitive information from your clipboard (such as passwords, bank card numbers, etc.)
• We only read learning-related text information
• You can disable clipboard functionality in app settings at any time

3. Information Usage

We collect your personal information to:

• Provide, maintain, and improve our services
• Process your learning progress and provide personalized recommendations
• Send you service-related notifications
• Provide customer support and technical support
• Prevent fraud and abuse
• Comply with legal and regulatory requirements
• Other purposes with your consent

4. Information Sharing

We will not sell, rent, or otherwise disclose your personal information to third parties, except:

• With your explicit consent
• Sharing with our partners (such as content providers), but only information necessary to provide services
• Compliance with laws, court orders, or government requirements
• Protecting our or others' rights, property, or safety
• In case of corporate merger, acquisition, or sale

5. Information Storage and Security

5.1 Data Storage

Your personal information is primarily stored on servers within China. If cross-border transmission is required, we will strictly comply with relevant laws and regulations.

5.2 Security Measures

We adopt industry-standard security measures to protect your personal information:

• Data encryption for transmission and storage
• Access control and identity authentication
• Regular security audits and vulnerability scanning
• Employee security training and confidentiality agreements

5.3 Data Retention

We only retain your personal information for the necessary period, with retention periods determined based on business needs and legal requirements.

6. Your Rights

Regarding your personal information, you have the following rights:

• Right of Access: Understand how we process your personal information
• Right of Rectification: Request correction of inaccurate or incomplete personal information
• Right of Erasure: Request deletion of your personal information under specific circumstances
• Right to Restrict Processing: Request restriction of processing your personal information under specific circumstances
• Right to Data Portability: Obtain a copy of your personal information
• Right to Withdraw Consent: Withdraw consent you previously gave

To exercise the above rights, please contact us through the contact information at the end of this policy.

7. Cookies and Similar Technologies

We use cookies and similar technologies to:

• Remember your preference settings
• Analyze app usage
• Provide personalized content and recommendations
• Improve user experience

You can manage cookie preferences through device settings, but this may affect the normal use of certain features.

8. Third-Party Services

This application may contain links or integrations to third-party services, such as:

• Social media plugins
• Payment service providers
• Analytics services
• Content delivery networks

These third-party services have their own privacy policies, and we recommend that you read them carefully.

8.1 Analytics SDK

We use analytics SDKs to provide statistical analysis services. These SDKs may collect the following information:

• Device Information: IMEI, MAC address, Android ID, IDFA, OpenUDID, GUID, IP address, SIM card IMSI information, etc.

We recommend that you carefully read the privacy policies of these analytics services to understand how they handle your personal information.

9. Children's Privacy

Our services are intended for adults. We do not knowingly collect personal information from children under 13. If you discover that we have inadvertently collected personal information from children, please contact us immediately, and we will delete the relevant information as soon as possible.

10. Privacy Policy Updates

We may update this privacy policy from time to time. For significant changes, we will:

• Publish notifications within the app
• Notify you via email or SMS
• Announce prominently on the website

Continued use of our services indicates your acceptance of the updated privacy policy.

11. Contact Us

Thank you for trusting HandLearn. We will continue to protect your privacy and security!