Block Dual ("the App", "the Game", "we", "our", or "us") respects your privacy and is committed to
protecting your information. Block Dual is a block puzzle game developed and published by
DreamTech.VN, featuring a classic single-player mode and a Duel mode against a bot.
This Privacy Policy explains how information is handled when you play the Game.
1Information We Collect
1.1 Personal Information
The Game does not require user registration or login, and does not directly collect personally
identifiable information such as:
- Full name
- Email address
- Phone number
- Home address
- Bank account or payment information
However, third-party services such as Google AdMob and Google Analytics for Firebase may automatically
collect certain device and usage information as described below.
1.2 Gameplay Data
The Game stores gameplay-related data so you can continue playing and keep your progress, including:
- High scores and best results
- Duel records and statistics (wins, losses, difficulty)
- Selected avatar
- Audio settings (music and sound effects on/off)
- Language and other in-game preferences
All gameplay data is stored locally on your device only. We do not collect, transmit, upload, or
store this gameplay data on any external servers, and it is not shared with third parties.
2Device Permissions
The Game may request the following permissions:
- Vibration (Optional): Used to provide haptic feedback during gameplay (for example,
when placing or clearing blocks).
- Internet Access: Required for displaying advertisements and analytics services.
- Network State Access: Used to detect network connectivity in order to load
advertisements.
- Advertising ID Permission: Used by advertising partners to provide relevant
advertisements.
The Game does not request access to:
- Contacts
- Camera
- Microphone
- Location
- Messages
- Photo library
3Advertising and Third-Party Services
The Game uses third-party services for advertising and analytics purposes.
3.1 Google AdMob
The Game displays advertisements, including:
- Banner Ads
- Native Ads
- Interstitial Ads
- Rewarded Ads (optional ads you may choose to watch in exchange for in-game rewards)
- App Open Ads (displayed when launching the Game)
Google AdMob and its partners may automatically collect certain information, including:
- Device information (device model, operating system version, device identifiers such as Advertising
ID)
- Usage data (app interactions, ad impressions, clicks)
- IP address (used for approximate location targeting at the country or region level)
This data is collected and processed by Google in accordance with Google's Privacy Policy.
We do not control how Google processes this data. We do not sell personal information to third
parties.
3.2 Google Analytics for Firebase
We use Google Analytics for Firebase to analyze how the Game is used and to improve the player
experience. This service may collect:
- App usage data (such as levels played and features used)
- Device information
- Performance data
Google's Privacy Policy applies: https://policies.google.com/privacy
3.3 Firebase Crashlytics
We use Firebase Crashlytics to automatically detect, report, and diagnose crashes and stability issues.
This service may collect:
- Crash logs and diagnostic data
- Device state at the time of a crash (device model, OS version, memory usage)
This information helps us fix problems and improve the stability of the Game.
3.4 Firebase Remote Config
We use Firebase Remote Config to adjust certain in-game settings and feature configurations remotely
(for example, enabling or disabling specific ad placements). This service does not collect personal
information.
4User Consent (GDPR / EEA / UK Compliance)
For users located in the European Economic Area (EEA), the United Kingdom, and other applicable
regions, we use Google's User Messaging Platform (UMP) to request consent before collecting data
for personalized advertising.
For users in the EEA and UK, data processing for advertising is based on user consent obtained through
Google's User Messaging Platform (UMP).
Users can:
- Accept or decline personalized advertising on first launch
- Change consent preferences at any time within the Game's Privacy / Settings menu
If consent is declined, non-personalized ads may still be shown.
5Children's Privacy
The Game is not specifically directed to children under the age of 13.
- We do not knowingly collect personal information from children.
- If we become aware that personal data has been collected from a child without parental
consent, we will take appropriate steps to delete such information.
- If required under applicable regulations, personalized advertising will be disabled for users
identified as children.
Advertising services are handled by Google AdMob in compliance with applicable child protection
regulations.
6Data Security
We apply reasonable administrative and technical safeguards to protect information against:
- Unauthorized access
- Alteration
- Disclosure
- Destruction
All gameplay data remains stored locally on the device. However, no method of electronic storage
or transmission is 100% secure, and we cannot guarantee absolute security.
7Data Retention and Deletion
7.1 Gameplay Data
Gameplay data is stored locally on the device. Users may delete their data at any time by:
- Clearing app data from device settings
- Uninstalling the Game
7.2 Advertising and Analytics Data
Advertising and analytics data is managed by Google according to Google's data retention policies.
Users may:
- Reset their Advertising ID in device settings
- Opt out of personalized advertising in device settings
- Modify consent preferences inside the Game
8Your Rights
Depending on your location, you may have the right to:
- Access your data
- Request deletion
- Withdraw consent
- Opt out of personalized advertising
To exercise these rights:
- Adjust consent settings within the Game
- Reset your Advertising ID in device settings
- Contact us directly using the information below
9Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be posted here with an
updated "Last updated" date.
Users are encouraged to review this page periodically.
10Data Safety Summary
- We do not store gameplay data on external servers.
- All scores, records, and preferences remain on the user's device.
- Third-party services (Google AdMob, Google Analytics for Firebase, and Firebase Crashlytics) may
collect device and usage data for advertising, analytics, and crash-reporting purposes.
- No gameplay data is shared with third parties.
- We do not sell personal information.
11Contact Us
If you have any questions regarding this Privacy Policy, please contact: