Privacy Policy

1. Introduction

NullPo Works ("we") establishes this Privacy Policy regarding the handling of users' personal information in the mobile and web applications ("Apps") we provide.

This policy applies to all apps provided by us, including "Resonance of Souls ~Believe in Me~," "Piyo's Adventure," "14-banchi," and others.

2. Data We Collect

This app does not require an account and does not collect your name, email address, or other information that directly identifies you.

When you post to the leaderboard, the nickname you enter and your score are saved to our Cloud Firestore database so that rankings can be displayed to other players.

The app shows ads through Google AdMob. To deliver ads, AdMob may access a device advertising identifier, approximate location, and information about how ads are displayed and tapped. Ads are non-personalized, and this information is not used to track you across other apps or websites.

Limited diagnostic information such as crash and performance data may be collected through the advertising SDK and the operating system to keep the app running smoothly. This information is not linked to your identity.

The app does not use a separate analytics service such as Firebase Analytics.

3. Purpose of Data Use

The collected data is used for the following purposes:

  • Improving app quality and fixing bugs
  • Analyzing and compiling usage statistics
  • Delivering and optimizing advertisements
  • Providing ranking features

4. Third-Party Services

Our apps use the following third-party services. Please refer to their respective privacy policies for details on how they handle data.

5. Data Retention and Deletion

Ranking data (nicknames and scores) is retained for as long as necessary for service operation. If you wish to have your data deleted, please contact us using the information below. We will delete it promptly to the extent possible.

6. Children's Privacy

We do not intentionally collect personal information from children under the age of 13. If we become aware that a child under 13 has provided data, we will promptly delete it.

7. Changes to This Policy

This Privacy Policy may be updated as needed. Any changes will be posted on this page. In the case of significant changes, we may also notify users within the app.

8. Contact Us

For inquiries regarding this policy, please reach out via our Contact Form or X (Twitter) @nullpo_works DM.

Effective date: June 28, 2026
Last updated: June 28, 2026