Terms of Service

Block Dual

Last updated: June 7, 2026

View on Google Play
Please read these Terms of Service ("Terms") carefully before using the Block Dual game ("the App", "the Game"), developed and published by DreamTech.VN ("we", "our", or "us"). By downloading, installing, or playing the Game, you agree to be bound by these Terms. If you do not agree with any part of these Terms, you must discontinue use of the Game immediately. These Terms constitute a legally binding agreement between you and DreamTech.VN.

1Acceptance of Terms

By accessing or playing the Game, you confirm that you have read, understood, and agree to be bound by these Terms, as well as our Privacy Policy, which is incorporated herein by reference. These Terms apply to all users of the Game, regardless of location or jurisdiction.

Your use of the Game is also subject to the Google Play Terms of Service.

If you are using the Game on behalf of an organization, you represent and warrant that you have the authority to bind that organization to these Terms.

2Description of the Game

Block Dual is a casual block puzzle game in which players place blocks on a grid to clear lines and earn points. The Game includes:

Block Dual is an entertainment product intended for casual play. It is a game of skill and is not a gambling product. The Game does not offer real-money wagering, prizes with monetary value, or any cash-out mechanism.

3No User Account Required

The Game does not require user registration or the creation of an account. You can start playing immediately after installation without providing any personal information.

No login credentials, email addresses, or other identifying information are required to access the Game's features.

4Gameplay Data and Local Storage

4.1 Data Storage

All gameplay data — including high scores, duel records and statistics, selected avatar, audio settings, language, and other preferences — is stored locally on your device only.

We do not collect, transmit, upload, or store your gameplay data on any external servers. Your gameplay data never leaves your device through the Game.

4.2 Data Loss

Since all gameplay data is stored locally, uninstalling the Game, clearing app data, performing a factory reset, or transferring to a new device without proper backup will result in permanent and irreversible loss of all your progress, scores, and records. We are not responsible for any data loss resulting from device damage, app uninstallation, operating system updates, device theft, hardware failure, or any other cause.

4.3 Data Backup Responsibility

Users are responsible for maintaining backups of their device data. Since all game data is stored locally on the device, we recommend using device backup features provided by the operating system (such as Google Backup) to help prevent accidental loss of progress.

We do not provide cloud backup, cross-device synchronization, or data recovery services for the Game.

5Advertising

The Game is free to play and is supported by advertisements provided by Google AdMob, including:

Advertisements are served by third-party ad networks. We are not responsible for the content, accuracy, legality, or availability of advertisements displayed in the Game. Interacting with advertisements is at your own risk.

5.1 Rewarded Ads

Rewarded Ads are entirely optional. Any in-game rewards obtained by watching Rewarded Ads have no monetary value, cannot be exchanged for real money or goods, and may be modified or discontinued at any time. You are under no obligation to watch advertisements to play the Game.

5.2 Advertising Data Collection

Advertising partners such as Google AdMob may automatically collect certain information including:

This information may be used to deliver personalized or contextual advertisements. The collection and processing of such information is governed by the privacy policies of the respective advertising providers. You may opt out of personalized advertising through your device settings.

For full details on how advertising data is collected and processed, please refer to our Privacy Policy.

6Acceptable Use

You agree to use the Game only for its intended purpose — personal entertainment. You agree not to:

Violation of these restrictions may result in termination of your license to use the Game.

7Intellectual Property and License

7.1 Ownership

All intellectual property rights in and to the Game — including but not limited to the design, graphics, artwork, user interface, source code, object code, text, logos, icons, sounds, and trademarks — are owned by DreamTech.VN or its licensors and are protected by applicable intellectual property laws.

7.2 License Grant

Subject to these Terms, we grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to download, install, and play the Game on a compatible Android device that you own or control, solely for your personal, non-commercial purposes.

This license does not grant any ownership rights to the Game or its intellectual property. You may not use the Game for any purpose not expressly permitted by these Terms.

7.3 License Restrictions

This license is automatically revoked if you violate any of these Terms. Upon revocation, you must immediately cease all use of the Game and delete all copies from your devices.

8Disclaimers

8.1 General Disclaimer

The Game is provided on an "AS IS" and "AS AVAILABLE" basis without warranties of any kind, whether express, implied, statutory, or otherwise, including but not limited to:

Some jurisdictions do not allow the exclusion of certain warranties. In such jurisdictions, the above exclusions may not apply to you, and you may have additional rights under applicable law.

8.2 Device Compatibility Disclaimer

We do not guarantee that the Game will be compatible with all devices, operating systems, or software configurations. Certain features may behave differently or be unavailable depending on device capabilities, system settings, screen sizes, or platform restrictions.

8.3 Service Interruption Disclaimer

We strive to maintain the availability and functionality of the Game. However, we do not guarantee uninterrupted or error-free access to the Game. Temporary interruptions may occur due to:

9Limitation of Liability

To the maximum extent permitted by applicable law, DreamTech.VN, its developer (Nguyễn Đức Minh), and its affiliates shall not be liable for any:

Our total aggregate liability to you for any and all claims arising from or relating to the Game or these Terms shall not exceed the greater of: (a) the amount you have paid to us (if any) in the twelve (12) months preceding the claim, or (b) ten US dollars (USD $10).

Some jurisdictions do not allow the limitation or exclusion of liability for incidental or consequential damages. In such jurisdictions, our liability shall be limited to the maximum extent permitted by applicable law.

10Indemnification

You agree to indemnify, defend, and hold harmless DreamTech.VN, its developer, affiliates, and service providers from and against any claims, liabilities, damages, losses, costs, and expenses (including reasonable legal fees) arising out of or related to:

This indemnification obligation shall survive the termination of these Terms and your use of the Game.

11Third-Party Services

The Game integrates with the following third-party services:

We do not control and are not responsible for the availability, accuracy, policies, practices, or content of any third-party services integrated into the Game. Your use of these third-party services is subject to their respective terms of service and privacy policies.

We are not liable for any damages, losses, or issues arising from the use, unavailability, or malfunction of any third-party services.

Relevant third-party policies:

12Updates and Availability

We may release updates to the Game from time to time to improve functionality, fix bugs, address security vulnerabilities, or add new features. While we strive to maintain the Game, we reserve the right to:

We are not liable for any modification, suspension, or discontinuation of the Game or any part thereof. Continued use of the Game after an update constitutes acceptance of any modified functionality.

13Age Requirement

The Game is not directed at children under the age of 13 (or the minimum age required in your jurisdiction). By playing the Game, you represent that you are at least 13 years of age, or that you are using the Game with the consent and supervision of a parent or legal guardian.

If we learn that we have inadvertently collected information from a child under 13 without verified parental consent, we will take appropriate steps to delete such information promptly.

14Termination

We reserve the right to terminate or restrict your access to the Game at any time, without prior notice or liability, for any reason, including but not limited to a breach of these Terms.

You may terminate your use of the Game at any time by uninstalling it from your device. Upon termination:

Sections that by their nature should survive termination (including but not limited to Disclaimers, Limitation of Liability, Indemnification, and Governing Law) shall survive any termination of these Terms.

15Force Majeure

We shall not be held responsible for any failure or delay in performing our obligations under these Terms if such failure results from events beyond our reasonable control. These events may include, but are not limited to:

16Dispute Resolution

16.1 Informal Resolution

Before filing any formal legal claim, you agree to first attempt to resolve any dispute informally by contacting us at minhnd.dreamtech.vn@gmail.com. We will attempt to resolve the dispute within thirty (30) days of receiving your notice.

16.2 Formal Proceedings

If a dispute cannot be resolved informally, either party may initiate formal proceedings. Any legal action or proceeding relating to these Terms shall be brought exclusively in the competent courts of Vietnam, and you consent to the jurisdiction and venue of such courts.

16.3 Limitations Period

Any claim or cause of action arising out of or related to these Terms or the Game must be filed within one (1) year after the claim arose, or it shall be permanently barred, unless a longer period is required by applicable law.

17Severability

If any provision of these Terms is found to be invalid, illegal, or unenforceable under applicable law by a court or tribunal of competent jurisdiction, the remaining provisions shall remain valid and enforceable to the fullest extent permitted by law.

The invalid or unenforceable provision shall be modified to the minimum extent necessary to make it valid and enforceable, while preserving the original intent of the provision as closely as possible.

18Waiver

The failure of DreamTech.VN to enforce any right or provision of these Terms shall not constitute a waiver of such right or provision. Any waiver of any provision of these Terms will be effective only if in writing and signed by DreamTech.VN.

19Assignment

You may not assign, transfer, or delegate your rights or obligations under these Terms without our prior written consent. We may assign, transfer, or delegate our rights and obligations under these Terms without restriction, including in connection with a merger, acquisition, reorganization, or sale of assets.

20Export Compliance

The Game may be subject to export control laws and regulations. You agree not to export, re-export, or transfer the Game in violation of any applicable export laws, including but not limited to the export laws of Vietnam, the United States, or any other applicable jurisdiction.

21Entire Agreement

These Terms, together with the Privacy Policy and any other legal notices or policies published by us in connection with the Game, constitute the entire agreement between you and DreamTech.VN regarding your use of the Game.

These Terms supersede any prior agreements, understandings, or arrangements between you and DreamTech.VN, whether written or oral, relating to the subject matter hereof.

22Changes to These Terms

We reserve the right to modify these Terms at any time at our sole discretion. Changes will be posted on this page with an updated "Last updated" date. For material changes, we may also notify you through the Game or the Google Play Store listing.

Your continued use of the Game after any changes to these Terms constitutes your acceptance of the revised Terms. If you do not agree to the revised Terms, you must stop using the Game. We encourage you to review these Terms periodically.

23Governing Law

These Terms shall be governed by and construed in accordance with the laws of the Socialist Republic of Vietnam, without regard to its conflict of law provisions. Any disputes arising from or related to these Terms or the Game shall be resolved through the competent courts of Vietnam.

If you are a consumer residing in a jurisdiction with mandatory consumer protection laws (such as the European Union), nothing in these Terms shall deprive you of any rights you may have under those laws that cannot be contractually waived or limited.

24Contact Us

If you have any questions, concerns, or feedback regarding these Terms of Service, please contact us:

Email
Developer
Nguyễn Đức Minh
Publisher
DreamTech.VN

We will make reasonable efforts to respond to inquiries and support requests submitted through the provided contact email. However, response times may vary depending on request volume, complexity of the inquiry, and other circumstances. We aim to respond within a reasonable timeframe.