Privacy Policy

Effective Date: October 22, 2025

Welcome to Kén Chọn (the "App" or "Service"). We are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service.

1. Information We Collect

When you log in to our App through third-party services (such as Google or Facebook), we collect the following types of information via Firebase Authentication:

1.1 Basic Personal Information

• Name: Your publicly displayed name.
• Email Address: Used for account identification and contact.
• User Identifier (UID): A unique identification code provided by Firebase.
• Profile Picture URL: The URL link to your profile avatar.
• Sign-in Provider: Indicates whether you logged in using Google or Facebook.

1.2 Non-Personal Data

• Usage Data: Information about how you access and use the Service (e.g., features used, access times).

2. How We Use Your Information

We use the collected information for the following purposes:

• Authentication and Authorization: To allow you to log in to the App and maintain your session (via Session Cookie).
• Account Management: To create, maintain, and manage your user account.
• Personalization: To display your name and profile picture within the App.
• Communication: To send you service-related announcements or technical support (if necessary).

3. Storage and Security

Your data is stored securely using **Google Cloud Firestore**. Authentication information (ID Token, Session Cookie) is handled by **Firebase Authentication** and our secure backend server.

We implement standard security measures to protect your personal information. However, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security.

4. Disclosure to Third Parties

We do not sell, trade, or otherwise transfer your personal information to third parties for marketing purposes. We only share information in the following circumstances:

• Service Providers: We use Google Firebase and Google Cloud services to operate the App. These providers are only authorized to use your information as necessary to perform those services.
• Legal Compliance: We may disclose your information if required by law or to protect our rights and property.

5. Your Rights

You have the right to request the deletion of your account and all associated personal data. Please contact us via the email address below to proceed with the request.

6. Contact Information

If you have any questions about this Privacy Policy, please contact us:

• By Email: quanghoale@gmail.com
• By Website: https://kenchon.com

This policy is subject to change. Please review it periodically.