PRIVACY POLICY
Last updated: May 25, 2026
ChaZhen Studio ("we", "us", or "our") operates the mobile application Sushi Pinz (the "App"). This Privacy Policy explains how we collect, use, and share information when you use our App.
1. INFORMATION WE COLLECT
1.1 Information Collected Automatically
When you use the App, we and our third-party partners may automatically collect certain information, including:
• Device information (device model, operating system version, unique device identifiers)
• Advertising identifiers (Google Advertising ID)
• IP address and approximate location (city/country level)
• App usage data (session duration, levels played, in-app events)
• Crash logs and performance data
1.2 Information We Do NOT Collect
• We do not collect your name, email, phone number, or any personally identifiable information you directly provide.
• We do not require account registration.
• We do not access your contacts, photos, camera, or microphone.
2. HOW WE USE INFORMATION
We use the collected information to:
• Display relevant advertisements within the App
• Analyze app performance and fix bugs
• Improve gameplay experience and level design
• Measure ad effectiveness
3. THIRD-PARTY ADVERTISING SDKS
Our App integrates the following third-party advertising services to display ads. These services may collect and process data according to their own privacy policies:
| SDK | Provider | Privacy Policy |
|-----|----------|----------------|
| Google AdMob | Google LLC | https://policies.google.com/privacy |
| Unity Ads | Unity Technologies | https://unity.com/legal/privacy-policy |
| Meta Audience Network | Meta Platforms, Inc. | https://www.facebook.com/privacy/policy |
| AppLovin MAX | AppLovin Corporation | https://www.applovin.com/privacy/ |
| ironSource | Unity Technologies (ironSource) | https://developers.is.com/ironsource-mobile/air/ironsource-mobile-privacy-policy/ |
These third-party services may:
• Collect device identifiers and advertising IDs
• Use cookies or similar tracking technologies
• Process IP address and location data
• Serve personalized or contextual ads based on collected data
3.1 Google AdMob
Google AdMob serves advertisements in our App. Google may use your advertising ID and device information to provide personalized ads. You can opt out of personalized advertising in your device settings (Settings > Google > Ads > Opt out of Ads Personalization).
Google AdMob Privacy: https://policies.google.com/privacy
3.2 Unity Ads
Unity Ads provides video and interstitial advertisements. Unity may collect device information, IP address, and interaction data for ad delivery and measurement.
Unity Ads Privacy: https://unity.com/legal/privacy-policy
3.3 Meta Audience Network
Meta Audience Network may serve ads using data associated with your Meta account or device identifiers. You can manage your ad preferences through Meta's Ad Settings.
Meta Audience Network Privacy: https://www.facebook.com/privacy/policy
3.4 AppLovin MAX (Mediation)
AppLovin MAX mediates ad requests across multiple demand sources. It may collect device data, ad interaction events, and performance metrics.
AppLovin Privacy: https://www.applovin.com/privacy/
3.5 ironSource
ironSource provides rewarded video ads and may collect device identifiers, session data, and ad engagement metrics.
ironSource Privacy: https://developers.is.com/ironsource-mobile/air/ironsource-mobile-privacy-policy/
4. DATA SHARING
We do not sell your personal information. We share data only with the third-party advertising partners listed above for the purposes of ad delivery and analytics.
5. CHILDREN'S PRIVACY
Our App is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected personal information from a child under 13, we will take steps to delete that information promptly.
If you are a parent or guardian and believe your child has provided us with personal data, please contact us at the email address below.
6. DATA RETENTION
We retain automatically collected data only for as long as necessary to fulfill the purposes described in this policy. Advertising partners may retain data according to their own retention policies.
7. DATA SECURITY
We implement reasonable technical and organizational measures to protect the information we process. However, no method of transmission over the Internet or electronic storage is 100% secure.
8. YOUR RIGHTS
Depending on your jurisdiction, you may have the right to:
• Access the data we hold about you
• Request deletion of your data
• Opt out of personalized advertising
• Withdraw consent
To opt out of personalized ads:
• Android: Settings > Google > Ads > Opt out of Ads Personalization
• You may also reset your advertising ID from the same settings page.
9. CHANGES TO THIS POLICY
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy within the App or on our website. Your continued use of the App after changes are posted constitutes acceptance of the updated policy.
10. CONTACT US
If you have any questions or concerns about this Privacy Policy, please contact us:
Developer:VANSTO TECH
Email: business@vansto.com