MTG-OS

1. Information We Collect

1.1 Automatically Collected Information

When you use MTG-OS, we and our third-party service providers automatically collect certain information about your device and usage:

Data Type	Purpose	Third Party
Device Identifiers (IDFA, Advertising ID)	Personalized advertising, ad attribution	Google AdMob
App Usage Data (Features used, session duration)	Analytics, app improvements	Sentry
Crash & Error Logs (Stack traces, error messages)	Bug fixing, stability improvements	Sentry
Device Information (OS version, model, screen size)	Compatibility, performance optimization	AdMob, Sentry
Performance Metrics (Load times, frame rates)	Performance monitoring	Sentry

1.2 Information Stored Locally

The following data is stored only on your device and is never transmitted to our servers:

• Player names you create in the app
• Game history and win/loss records
• Life totals and game state
• App preferences and settings

2. How We Use Your Information

We use the automatically collected information for the following purposes:

• Advertising: Display personalized ads through Google AdMob to support the free app
• Error Tracking: Identify and fix crashes and bugs to improve app stability
• Performance Monitoring: Optimize app performance and user experience
• Analytics: Understand how users interact with the app to guide improvements
• Compliance: Comply with legal obligations and enforce our Terms of Service

3. Third-Party Services

We use the following third-party services that may collect information about you:

3.1 Google AdMob (Advertising)

Provider: Google LLC

Purpose: Display ads and measure ad performance

Data Collected: Device identifiers (IDFA), IP address, device information, ad interaction data

Privacy Policy: https://policies.google.com/privacy

Opt-Out: You can limit ad tracking in your device settings:

• iOS: Settings → Privacy & Security → Tracking → Disable "Allow Apps to Request to Track"

3.2 Sentry (Error & Performance Monitoring)

Provider: Functional Software, Inc.

Purpose: Crash reporting, error tracking, and performance monitoring

Data Collected: Error logs, device information, app version, session data, performance metrics

Privacy Policy: https://sentry.io/privacy/

Data Retention: Sentry retains error data for 90 days by default

4. App Tracking Transparency (iOS 14.5+)

When you first launch MTG-OS, you will be asked whether you want to allow the app to track your activity across other companies' apps and websites. This is required by Apple's App Tracking Transparency (ATT) framework.

You can change your tracking preference at any time in Settings → Privacy & Security → Tracking on your iOS device.

5. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information. We share data only in the following circumstances:

• With Third-Party Service Providers: Google AdMob and Sentry (as described above) to provide their services
• For Legal Compliance: If required by law, subpoena, or government request
• To Protect Rights: To enforce our policies, protect our legal rights, or ensure user safety

6. Data Security

We implement commercially reasonable security measures to protect your information. However, no method of transmission over the internet or electronic storage is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

Security measures include:

• HTTPS encryption for all network communications
• Secure third-party service providers (Google, Sentry) with industry-standard security practices
• Local data storage on your device (not transmitted to our servers)

7. Children's Privacy

MTG-OS is intended for users aged 13 years and older. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately, and we will take steps to delete such information.

This app complies with the Children's Online Privacy Protection Act (COPPA).

8. Your Privacy Rights

Depending on your location, you may have the following rights regarding your data:

8.1 General Rights

• Access: Request a copy of the data we have collected about you
• Deletion: Request deletion of your data (note: most data is stored locally on your device)
• Opt-Out of Tracking: Disable ad tracking through iOS settings
• Rectification: Correct inaccurate data

8.2 California Residents (CCPA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA):

• Right to know what personal information is collected
• Right to delete personal information
• Right to opt-out of the sale of personal information (we do not sell your data)
• Right to non-discrimination for exercising your privacy rights

8.3 European Residents (GDPR)

If you are in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR):

• Right to access your personal data
• Right to rectification of inaccurate data
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object to processing
• Right to withdraw consent at any time

Legal Basis for Processing (GDPR):

• Consent: Advertising and tracking (via ATT prompt)
• Legitimate Interest: Error tracking and performance monitoring to improve the app

9. Data Retention

We retain data for as long as necessary to provide our services and comply with legal obligations:

• Local Game Data: Stored on your device indefinitely until you delete the app or clear data
• Error Logs (Sentry): 90 days
• AdMob Data: Managed by Google according to their retention policies (typically 12-18 months)

10. International Data Transfers

Your information may be transferred to and processed in countries other than your own, including the United States, where our third-party service providers (Google, Sentry) operate. These countries may have different data protection laws than your jurisdiction.

We ensure appropriate safeguards are in place, such as:

• Standard Contractual Clauses (SCCs) approved by the European Commission
• Privacy Shield frameworks (where applicable)
• Service providers with robust data protection practices

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. When we make changes, we will:

• Update the "Last Updated" date at the top of this policy
• Notify you through the app or via other reasonable means if the changes are material
• Post the updated policy at the same URL

Your continued use of MTG-OS after changes are posted constitutes acceptance of the updated Privacy Policy.

12. Third-Party Links

MTG-OS may contain links to third-party websites or services (e.g., within ads). We are not responsible for the privacy practices of these third parties. We encourage you to read their privacy policies before providing any information.

14. Consent

By using MTG-OS, you consent to this Privacy Policy and agree to its terms. If you do not agree with this policy, please do not use our app.