Effective Date: June 1, 2025

Welcome to our quiz applications. This Privacy Policy applies to all mobile quiz games developed and published by VDSystem. We respect your privacy and are committed to protecting your personal data. This Privacy Policy explains how we collect, use, and protect your information when you use our quiz game.

1. Information We Collect

• Device info (type, OS, language)
• Usage data (levels, settings, interactions)
• Push notification preferences
• Account info if applicable (email, avatar)

2. How We Use Your Information

• Improve game experience
• Save preferences (sound, language, notifications)
• Analyze gameplay for improvements

3. Data Storage and Security

Your data is stored securely and never shared without your permission.

4. Third-Party Services

We integrate the following third-party services:

• Authentication: Google, Facebook, and Apple sign-in. These services may collect data like your name, email, and profile picture. Refer to their privacy policies for details.
• Advertising: Google AdMob serves ads and may collect device identifiers and usage behavior to personalize ads.
• Analytics: We use Google Firebase Analytics to understand how the app is used.
• Payments: All purchases are handled by Google Play Billing. We do not store any financial data.

5. Your Choices

• Modify settings (sound, language, notifications)
• Disable notifications in device settings
• By enabling push notifications, you consent to receive alerts and updates related to the game. You can disable them at any time in your device settings.

6. Children’s Privacy

We do not knowingly collect data from children under 13.

7. Changes to This Policy

We may update this policy. We'll notify you in-app if changes are significant.

8. Contact Us

If you have questions, contact us at uros.velickovic@vdsystem.rs

9. Data Retention

We retain your personal data only for as long as necessary to fulfill the purposes described in this policy, such as to provide and improve the game, comply with legal obligations, or resolve disputes.

10. International Data Transfers

Your information may be transferred to and maintained on servers located outside of your country or region, including countries that may not have the same data protection laws. By using our app, you consent to the transfer of your information to these locations.

11. Your Rights

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

• Access your personal data
• Request correction or deletion
• Object to processing
• Withdraw consent at any time
• File a complaint with a data protection authority

To exercise any of these rights, please contact us at uros.velickovic@vdsystem.rs.

12. Do Not Sell My Personal Information

We do not sell your personal information for money. However, third-party advertising networks like Google AdMob may use your data to serve personalized ads, which may be considered a 'sale' under California law. You can opt-out of this by disabling personalized ads in your device settings or visiting Google Ad Settings.

13. Links to Third-Party Privacy Policies

• Google Privacy Policy
• Facebook Data Policy
• Apple Privacy Policy
• Firebase Privacy Policy
• Google Play Payments Privacy
• Google Ads Settings (Opt-out of Personalized Ads)
• Note: Third-party service providers may update their features or data processing practices. We recommend reviewing their privacy policies regularly.