# Privacy Policy for Street Table Tennis (Street-TT)
**Effective Date:** April 10, 2026
This Privacy Policy explains how Street Table Tennis ("Street-TT", "we", "us", or "our") collects, uses, and protects your information when you use our mobile application.
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## 1. Information We Collect
### 1.1 Information You Provide
- **Display name** – the name shown on your public profile and the leaderboard.
- **Profile picture** – an optional image you upload from your device's photo library.
### 1.2 Information Collected via Third-Party Sign-In
When you sign in with Google, we receive from Google:
- Your name and email address associated with your Google account.
We use this information solely to create and authenticate your Street-TT account. We do not receive your Google password.
### 1.3 Account Metadata
- **Account creation date** – the timestamp recorded when your account is first created, used for account management purposes.
### 1.4 Game Data
- Match scores, results (win / loss), and game timestamps.
- ELO rating changes derived from your match results.
This data is associated with your account and may be visible to other users on the leaderboard and game history screens.
### 1.5 Camera
The app requests access to your device camera for two purposes:
- **QR code scanning** – to join games by scanning another player's code. No images are stored or transmitted.
- **Profile picture** – optionally, to take a photo to use as your profile picture. The captured image is uploaded to our servers and displayed to other users in the app.
### 1.5 Automatically Collected Information
We use **Firebase** (provided by Google) for authentication. Firebase may automatically collect certain device and usage data as part of its standard operation, including device identifiers and crash reports. Please refer to [Google's Privacy Policy](https://policies.google.com/privacy) for details on how Firebase handles this data.
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## 2. How We Use Your Information
We use the information collected to:
- Create and manage your Street-TT account.
- Authenticate you securely via Firebase.
- Display your profile (name and picture) to other users in the app.
- Record and display match history, scores, and ELO rankings.
- Operate and improve the app.
We do **not** sell, rent, or share your personal information with third parties for marketing purposes.
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## 3. Data Sharing
Your information may be shared in the following limited circumstances:
- **Firebase / Google** – used for authentication. Subject to [Google's Privacy Policy](https://policies.google.com/privacy).
- **Other users** – your display name, profile picture, game results, and ELO rating are visible to other users within the app.
- **Legal requirements** – we may disclose information if required by law or to protect the rights and safety of our users.
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## 4. Data Retention
We retain your account and game data for as long as your account is active. You may request deletion of your account and associated data at any time by contacting us at the address below.
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## 5. Your Rights
Depending on your location, you may have the right to:
- Access the personal data we hold about you.
- Correct inaccurate data via the in-app profile editor.
- Request deletion of your account and personal data.
To exercise any of these rights, please contact us at **info@street-ttl.com**.
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## 6. Children's Privacy
Street-TT is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us and we will delete it.
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## 7. Security
We take reasonable measures to protect your information, including using Firebase's secure authentication infrastructure and transmitting data over HTTPS. However, no method of transmission over the internet is 100% secure.
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## 8. Third-Party Services
This app uses the following third-party services, each governed by their own privacy policies:
Firebase Auth (Google): https://policies.google.com/privacy
Google Sign-In: https://policies.google.com/privacy
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## 9. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by updating the effective date above. Continued use of the app after changes constitutes your acceptance of the updated policy.
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## 10. Contact Us
If you have any questions or concerns about this Privacy Policy, please contact us at:
**Email:** info@street-ttl.com