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Terms of Service

Last updated: July 21, 2026

App and developer identification (aligned with Google Play / Apple App Store listings)
App name (Japanese): シャトルラン : スコアを計測記録して体力向上
App name (English / iOS and Android): BeepRun : 20m Beep Tester
Android package name: com.run.shuttlerun
iOS Bundle ID: com.run.ShuttleRun
Google Play developer name: Wonderboot Entertainment
Provider (individual): 山口穣之 (Joji Yamaguchi)
Address: Sovereign Senzoku 201, 2-7-21 Senzoku, Meguro-ku, Tokyo 152-0012, Japan
Contact email: polugeorge0822@gmail.com

These Terms of Service (the "Terms") set forth the conditions for using the mobile application "BeepRun : 20m Beep Tester" (Japanese listing name: "シャトルラン : スコアを計測記録して体力向上"; the "App") provided by Wonderboot Entertainment (provider: 山口穣之 / Joji Yamaguchi) ("we", "us", or "our"). By using the App, the user is deemed to have agreed to these Terms.

1. Application

These Terms apply to all relationships between us and users relating to the use of the App.

2. Account

3. Fees and Subscriptions

4. Prohibited Conduct

In using the App, users must not engage in any of the following:

5. Health and Safety Disclaimer

The App is intended for use that involves exercise (shuttle runs). Users shall exercise within reasonable limits in a safe environment after adequately confirming their own health condition. We assume no responsibility whatsoever for injuries, accidents, health issues, or other damages arising from exercise.

6. Disclaimer

7. Intellectual Property Rights

Copyrights and other intellectual property rights relating to the App and its content belong to us or the rightful holders.

8. Changes to These Terms

We may change these Terms without prior notice to users when we deem it necessary. The revised Terms take effect when posted within the App or on this website.

9. Governing Law and Jurisdiction

These Terms shall be interpreted in accordance with the laws of Japan. In the event of any dispute concerning the App, the court having jurisdiction over our location shall be the exclusive agreed jurisdiction.

10. Contact

For inquiries regarding these Terms, please contact us at:
Provider: Joji Yamaguchi
Email: polugeorge0822@gmail.com