Privacy Policy – Jianghu: Sword & Zither (琴剑江湖)

Last Updated: July 13, 2026

This Privacy Policy applies to the Android application, future iOS application, and the web version hosted at https://qinjianjianghu-production.up.railway.app/. It describes how HD Expanse collects, uses, stores, and protects information when you use Jianghu: Sword & Zither.

Contact: lonelyscrub8@gmail.com

1. Section 1

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

2. Section 2

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

3. Section 3

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

4. Section 4

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

5. Section 5

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

6. Section 6

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

7. Section 7

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

8. Section 8

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

9. Section 9

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

10. Section 10

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

11. Section 11

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

12. Section 12

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

13. Section 13

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

14. Section 14

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

15. Section 15

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

16. Section 16

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

17. Section 17

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.

18. Section 18

This section describes the applicable privacy practices for Jianghu: Sword & Zither, including data collection, use, disclosure, retention, security, user rights, and compliance with Google Play, Apple App Store, GDPR, CCPA/CPRA, and other applicable privacy laws. It explains how HD Expanse operates the Android application, future iOS application, and web version. Where appropriate, this section also describes the use of Supabase for authentication and cloud storage, Google AdMob for optional rewarded advertising, future Google Sign-In, Stripe for website purchases only, and app-store billing providers. We do not sell personal information. We only collect information reasonably necessary to provide and improve the Services. Users may request deletion of their account by contacting lonelyscrub8@gmail.com. This policy applies to all supported platforms unless otherwise stated.