Privacy Policy

Effective Date: June 10, 2026

This Privacy Policy describes how Kei-Yen ("we", "us", or "our") collects, uses, and shares your information when you use our mobile application and web-based services (the "Service").

1. Information We Collect

When you create an account or play Kei-Yen, we collect the following types of information:

• Account Information: If you register with an email address or Google account, we collect your email address, profile picture (avatar), and chosen username.
• Gameplay & Statistics: We collect and store data related to your in-game performance, including win/loss history, ratings (Elo), active lobbies, and moves played.
• Guest Users: For guest accounts, we do not store permanent credentials, but we may store local temporary profiles on your device.

2. How We Use Your Information

We use the collected information for the following purposes:

• To operate, maintain, and provide the matchmaking, online multiplayer, and leaderboard features of the game.
• To verify your account status and keep your rating statistics synchronized.
• To prevent fraud, cheating, and unauthorized access to player profiles.

3. Information Sharing and Disclosure

We do not sell or share your private personal data (like your email address) with third parties. However, certain gameplay metrics (such as your username, avatar, and rating) are publicly visible on the in-game Leaderboard and to opponents during matchmaking matches.

4. Data Security

We use Firebase Firestore and Authentication services to host database records and authenticate users securely. We take appropriate technical steps to safeguard your account data against loss, misuse, and unauthorized modification.

5. Your Rights and Choices

You can request the deletion of your account and associated game stats at any time by contacting our support team at keiyensupport@gmail.com.

6. 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 policy on this page with a revised effective date.