Embedded Files
Last Updated: June 23, 2026
1. Introduction
1. Introduction
4tune3 Co., Ltd. ("Company", "we", "us", or "our") respects your privacy and is committed to protecting your personal information in accordance with applicable privacy and data protection laws.
This Privacy Policy explains how we collect, use, store, share, and protect information when you use the Blackjack AI mobile application (the "App") and related services (collectively, the "Service").
By using the Service, you agree to the collection and use of information as described in this Privacy Policy. This Privacy Policy is incorporated into and subject to the Blackjack AI Terms of Service.
2. Information We Collect
2. Information We Collect
We collect certain information to provide, maintain, improve, and secure the Service.
(a) Account Information
(a) Account Information
We may collect:
Apple account identifiers
Google account identifiers
Guest account identifiers
Information voluntarily provided when contacting Customer Support
(b) Device Information
(b) Device Information
We may collect:
IP address
Device identifiers (including IDFA and GAID where applicable)
Device ID
Operating system version
Device model
Language settings
Time zone
Network information
(c) Gameplay and Usage Information
(c) Gameplay and Usage Information
We may collect:
Gameplay activity and progress
Session duration
Feature usage statistics
Achievement and level information
Advertising interaction data
Login history
In-game activity logs
(d) Purchase Information
(d) Purchase Information
We may collect:
In-app purchase records
Transaction identifiers
Purchase validation information
We do not collect or store full credit card numbers or payment account details. Payments are processed directly by Apple App Store or Google Play.
(e) Diagnostic Information
(e) Diagnostic Information
We may collect:
Crash reports
Error logs
Performance data
Diagnostic and troubleshooting information
(f) Location Information
(f) Location Information
We do not collect precise GPS location data.
However, we may collect approximate location information derived from IP addresses for regional service optimization, fraud prevention, and analytics purposes.
3. How We Use Information
3. How We Use Information
We use collected information to:
Provide and operate the Service
Authenticate users and manage accounts
Process in-app purchases
Save gameplay progress and achievements
Respond to customer support requests
Prevent fraud, abuse, and unauthorized access
Improve game performance and user experience
Analyze usage trends and Service effectiveness
Deliver and measure advertisements
Comply with legal obligations
Protect the rights, safety, and security of users and the Company
4. Third-Party Services, Analytics, and Advertising
4. Third-Party Services, Analytics, and Advertising
We may use third-party service providers that collect and process information on our behalf.
Analytics Services
Analytics Services
Google Analytics for Firebase
Firebase Crashlytics
Unity Analytics
Advertising Services
Advertising Services
Google AdMob
Meta Audience Network
Unity Ads
Attribution and Measurement Services
Attribution and Measurement Services
AppsFlyer
Adjust
These providers may collect information according to their own privacy policies and applicable laws.
5. Advertising Identifiers and Tracking
5. Advertising Identifiers and Tracking
We may use advertising identifiers, including IDFA and GAID, to support advertising, attribution, fraud prevention, and campaign performance measurement.
For iOS devices, tracking activities subject to Apple's App Tracking Transparency (ATT) framework will only occur after obtaining the user's permission where required.
Users may manage advertising preferences through their device settings.
6. Sharing of Information
6. Sharing of Information
We do not sell personal information to third parties.
We may share information in the following circumstances:
Service Providers
Service Providers
With trusted vendors and partners that assist with:
Cloud hosting
Analytics
Advertising
Customer support
Security and fraud prevention
Payment verification
Legal Requirements
Legal Requirements
We may disclose information when required to:
Comply with applicable laws or regulations
Respond to lawful requests from public authorities
Enforce our Terms of Service
Protect the rights, property, or safety of the Company, users, or others
Business Transfers
Business Transfers
If the Company is involved in a merger, acquisition, financing, reorganization, bankruptcy, or sale of assets, user information may be transferred as part of that transaction.
7. International Data Transfers
7. International Data Transfers
Because the Service is provided globally, your information may be transferred to, stored in, or processed in countries other than your country of residence, including South Korea, the United States, and countries where our service providers operate.
We take reasonable measures to ensure such transfers comply with applicable data protection laws.
8. Data Retention
8. Data Retention
We retain personal information for as long as necessary to:
Provide the Service
Maintain account functionality
Comply with legal obligations
Resolve disputes
Prevent fraud and abuse
Enforce our agreements
Certain information, including records related to fraud prevention, account security, or Terms of Service violations, may be retained for a longer period where legally permitted.
9. Account Deletion
9. Account Deletion
You may request deletion of your account at any time by:
Typing "Delete my account." in the Support section within the Settings menu of the App; or
Contacting us at help@4tune3.com
Deletion Process
Deletion Process
Processing may take up to 7 days.
Requests may be canceled within 5 days of submission.
Once deletion is completed, the following may no longer be recoverable:
Game progress
Purchase history
Achievements
Leaderboard records
Account-related data
10. Your Privacy Rights
10. Your Privacy Rights
Depending on your location, you may have certain rights regarding your personal information.
European Economic Area (GDPR)
European Economic Area (GDPR)
You may have the right to:
Access your personal information
Correct inaccurate information
Request deletion of personal information
Restrict processing
Object to processing
Request data portability
California Residents (CCPA/CPRA)
California Residents (CCPA/CPRA)
You may have the right to:
Know what personal information is collected
Request deletion of personal information
Request correction of personal information
Opt out of certain data-sharing activities where applicable
Japan (APPI)
Japan (APPI)
Users located in Japan may have rights to:
Access personal information
Request correction
Request suspension of use
Request deletion where applicable
To exercise any of these rights, please contact us using the information below.
11. Children's Privacy
11. Children's Privacy
The Service is intended for users who are at least 18 years old.
We do not knowingly collect personal information from children under 13 years of age (or under 16 where required by local law, including certain jurisdictions within the European Union).
If we become aware that such information has been collected, we will take reasonable steps to delete it promptly.
12. Data Security
12. Data Security
We implement reasonable administrative, technical, and organizational safeguards designed to protect personal information.
However, no method of transmission over the Internet or electronic storage is completely secure, and we cannot guarantee absolute security.
13. Changes to This Privacy Policy
13. Changes to This Privacy Policy
We may update this Privacy Policy from time to time.
When changes are made, we will update the "Last Updated" date above and may provide additional notice through the App or other appropriate means where required by law.
Continued use of the Service after changes become effective constitutes acceptance of the updated Privacy Policy.
14. Contact Us
14. Contact Us
Company: 4tune3 Co., Ltd.
Email: help@4tune3.com
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