Last Updated: June 16, 2025

1. Introduction

This Privacy Policy explains how we collect, use, and protect your personal information when you use our academic quiz applications (the "Services"). Please read this policy carefully before using our Services.

By using our Services, you agree to the collection and use of information in accordance with this Privacy Policy.

2. Information We Collect

2.1 Automatically Collected Information

Our Services may automatically collect the following information:

• Device Information: Device type, operating system, app version
• Usage Data: App usage time, access frequency, quiz progress
• Technical Data: IP address, unique device identifiers
• Crash Reports: Error information to improve app stability

2.2 Information You Provide

You may choose to provide the following information:

• Learning Progress Data: Answered questions, accuracy rates, study history
• Settings Information: Your app preferences and configurations
• Feedback: Your opinions and suggestions about the apps

2.3 Information We Do Not Collect

We do not collect the following information:

• Personal identification information such as name, address, or phone number
• Location data
• Contact information
• Camera or microphone usage

3. How We Use Your Information

We use the collected information for the following purposes:

• Service Provision: Providing basic app functionality and saving learning progress
• Service Improvement: Enhancing app quality and developing new features
• Technical Support: Identifying and resolving issues, optimizing performance
• Analytics: Analyzing usage statistics to improve user experience

4. Information Sharing and Disclosure

4.1 Third-Party Sharing

We do not share your personal information with third parties except in the following cases:

• Analytics Services: Analytics tools such as Google Analytics for Firebase (anonymized data only)
• Technical Services: Cloud service providers necessary for app operation
• Legal Requirements: When required by law or legitimate requests from authorities

4.2 Data Anonymization

Data shared with third parties is appropriately anonymized or aggregated to prevent personal identification.

5. Data Storage and Protection

5.1 Data Storage

• Local Storage: Basic data such as learning progress is stored on your device
• Retention Period: Until you uninstall the app or delete the data
• Backup: Some data may be backed up to cloud services

5.2 Security Measures

We implement the following measures to protect your information:

• Use of industry-standard encryption technologies
• Implementation of access controls
• Regular security audits
• Application of data minimization principles

6. Your Rights

6.1 Access Rights

You can access your learning data within the apps.

6.2 Deletion Rights

• You can delete data through app settings
• You can delete local data by uninstalling the apps

6.3 Rectification Rights

You can modify settings and data within the apps.

6.4 Additional Rights for EU Users

If you are located in the European Union, you have additional rights under the GDPR:

• Right to data portability
• Right to object to processing
• Right to restrict processing
• Right to lodge a complaint with supervisory authorities

7. Children's Privacy

We do not knowingly collect personal information from children under 13 years of age. If we become aware that a child under 13 has provided us with personal information, we will promptly delete such information.

For users in the EU, we do not knowingly collect personal information from children under 16 years of age without parental consent.

8. International Data Transfers

Your data may be transferred to and processed on servers located outside your country of residence, including Japan, for the purpose of providing our services. When we transfer data internationally, we implement appropriate safeguards to protect your information in accordance with applicable data protection laws.

If you are located outside Japan, please note that your information may be transferred to and processed in Japan. By using our services, you consent to such transfer and processing.

9. Cookies and Tracking Technologies

Our apps may use the following technologies:

• Local Storage: Saving settings and progress
• Session Management: Managing app state
• Analytics Tools: Collecting usage statistics

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. When we make significant changes, we will notify you through the apps. Your continued use of the services after such modifications constitutes acceptance of the updated policy.

11. Applicable Law and International Compliance

This Privacy Policy is governed by and construed in accordance with the laws of Japan. However, where applicable, we also comply with international data protection laws, including but not limited to the General Data Protection Regulation (GDPR) for users in the European Union and other applicable local data protection laws.

12. Contact Us

If you have any questions about this Privacy Policy, concerns about our data handling practices, or requests regarding your personal information, please contact us at:

© 2025 Academic Nexus Games Development Team. All rights reserved.