Privacy Policy Content

Privacy Policy

Last updated: 2025/12/21

1. Introduction This Privacy Policy informs you of our policies regarding the collection, use, and disclosure of personal data when you use our mobile application (the "Service"). By using the Service, you agree to the collection and use of information in accordance with this policy.

2. Information Collection and Use We do not collect, store, or share any personal information that identifies you directly (such as name, email address, or physical address).

However, to provide certain features, the Service may interact with third-party services:

• Google Play Game Services: If you use the study progress or score features, data such as your achievements and scores may be stored via Google’s infrastructure.

• Google Play Services: This is used for the core functionality of the app on Android devices.

3. Log Data We want to inform you that whenever you use our Service, in a case of an error in the app, we (via third-party products like Google Play Console) may collect data and information on your phone called Log Data. This Log Data may include information such as your device Internet Protocol (“IP”) address, device name, operating system version, the configuration of the app when utilizing our Service, the time and date of your use of the Service, and other statistics.

4. Data Security The security of your data is important to us, but remember that no method of transmission over the internet, or method of electronic storage, is 100% secure. While we strive to use commercially acceptable means to protect your data, we cannot guarantee its absolute security.

5. Changes to This Privacy Policy We may update our Privacy Policy from time to time. You are advised to review this page periodically for any changes. These changes are effective immediately after they are posted on this page.

6. Contact Us If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us at: nihongo.mochi.dev@gmail.com