Privacy Policy

Last Updated: Mar 09, 2026 

1. Scope and Relationship to Terms

This Privacy Policy describes how 4tune3 Co., Ltd. ("Company", "we", "us", "our") collects, uses, shares, and protects information when you use the Blackjack AI application (the "Software") and the related services (the "Service"). By using the Service, you consent to the practices described in this Policy. This Policy is incorporated into and is subject to the Blackjack AI Terms of Service.

2. Information We Collect

We collect information to provide a seamless gameplay experience and improve our Service.

• Device & Usage Information: IP address, device identifiers (IDFA, GAID), OS version, hardware model, language settings, and gameplay logs (session duration, feature usage, crash reports).

• Personal Information: Platform account identifiers (Apple ID, Google ID), transaction identifiers/receipts (we do not store full credit card numbers), and information provided to Customer Support.

• Location Data: Approximate location derived from IP addresses for regional service optimization.

3. Third-Party SDKs and Analytics

To improve performance and serve advertisements, we use third-party Service Providers. These partners may collect data via SDKs according to their own policies:

• Analytics: Google Analytics for Firebase, Unity Analytics.

• Advertising: Google AdMob, Meta Audience Network, Unity Ads.

• Attribution: AppsFlyer or Adjust (if applicable).

4. How We Use and Share Information

We use your data to operate the game, process in-app purchases, prevent fraud, and comply with legal obligations.

• We do not sell your personal information to third parties. * We may share data with service providers under strict confidentiality agreements or when required by law (e.g., court orders).

5. International Data Transfers

As a global service, your information may be transferred to and processed in countries other than your own (including South Korea and countries where our cloud servers are located). We ensure such transfers comply with applicable data protection laws.

6. Data Retention and Account Deletion

• Retention: We retain personal information for as long as your account is active. Please note that certain data, such as banned device IDs, may be retained to ensure compliance with our Terms of Service and to prevent fraud.

• Deletion: You may request account deletion at any time by typing "Delete my account." within the "Support" screen in the App's "Settings" menu, or by contacting help@4tune3.com.

• Process: Once requested, the process may take up to 7 days. You may cancel your request within 5 days of submission. After the deletion is complete, your data (purchases and achievements) cannot be recovered.

7. Your Rights (GDPR & CCPA)

Depending on your residency (e.g., EU or California), you have the right to:

• Access, correct, or delete your personal data.

• Object to or restrict the processing of your data.

• Request a "Do Not Sell My Personal Information" (though we do not sell data).

• To exercise these rights, please contact us at the email provided below.

8. Age Requirement & Child Privacy

The Service is intended for users who are 18 years of age or older for entertainment purposes. We do not knowingly collect data from children under 13 (or 16 in the EU). If we discover such data has been collected, we will delete it immediately.

9. Data Security

We implement reasonable technical and organizational measures to protect your data. However, no transmission over the internet is 100% secure, and we cannot guarantee absolute security.

10. 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 and updating the "Last Updated" date.

11. Contact Us

For any questions or data-related requests, please contact:

• Company: 4tune3 Co., Ltd.

• Email: help@4tune3.com