Privacy Policy
Đố Từ - Đoán Chữ Tiếng Việt
Last updated: July 2026
Đố Từ - Đoán Chữ Tiếng Việt is a Vietnamese word puzzle game designed for entertainment, vocabulary practice, and light brain training.
This Privacy Policy explains how our app handles user data, including how data may be accessed, collected, used, and shared when users use the app.
1. Information We Collect
Đố Từ - Đoán Chữ Tiếng Việt does not require users to create an account.
We do not directly collect personal information such as:
- Name
- Email address
- Phone number
- Home address
- Username or password
However, the app may use third-party services, including Google AdMob, to display advertisements and support app functionality. These third-party services may automatically collect or process certain information, such as:
- Device information
- Advertising ID
- App activity
- App interactions
- Crash logs
- Diagnostics
- Approximate location
- Information related to ad performance and fraud prevention
The data collected by third-party services may depend on the user’s device settings, consent choices, region, and the policies of those third-party services.
2. How We Use Information
Information processed through third-party services may be used for the following purposes:
- To display advertisements
- To personalize ads where permitted
- To measure ad performance
- To prevent fraud, abuse, and invalid traffic
- To improve app stability and performance
- To understand general app usage
- To maintain and improve the user experience
We do not use personal data to identify individual users.
3. Third-Party Services
The app may use the following third-party service:
Google AdMob
Google AdMob is used to display ads in the app. Google AdMob may collect and process data according to Google’s own privacy policies and advertising policies.
Users can learn more about how Google uses information from apps that use Google services by visiting Google’s privacy and advertising resources.
4. Data Sharing
We do not sell users’ personal information.
Data may be shared with or processed by third-party service providers only when necessary to:
- Display ads
- Measure ad performance
- Prevent fraud and abuse
- Improve app stability
- Provide and maintain app functionality
Third-party services are responsible for handling data according to their own privacy policies.
5. Children’s Privacy
Đố Từ - Đoán Chữ Tiếng Việt is intended for general audiences and is not specifically directed to children under 13.
We do not knowingly collect personal information from children under 13.
If you believe that a child has provided personal information through the app, please contact us so we can review the issue and take appropriate action.
6. Advertising and Rewards
The app may display advertisements, including banner ads, interstitial ads, or rewarded ads.
Rewarded ads, if available, are optional. Users may choose to watch rewarded ads to receive in-game items such as stars, hints, or similar non-cash rewards.
The app does not offer gambling, betting, real-money prizes, cash rewards, or financial rewards.
7. App Content
The app includes Vietnamese word puzzles, hints, categories, and gameplay content related to language, vocabulary, daily life, culture, education, and general knowledge.
The content is created for entertainment and casual learning purposes only.
We do not intentionally include content that promotes or contains:
- Hate speech, discrimination, or harassment
- Sexual or adult content
- Graphic violence or gore
- Illegal activities
- Dangerous behavior or self-harm
- Gambling or real-money rewards
- Political persuasion or extremist content
- Misinformation intended to cause harm
- Offensive, abusive, or inappropriate language
If any content is found to be inappropriate, unclear, or unsuitable, we may update, remove, or correct it in a future version.
8. Data Retention
We do not directly store personal user data on our own servers.
Data processed by third-party services is handled according to their own data retention policies.
9. User Choices
Users may control certain privacy and advertising preferences through their device settings.
Depending on the device and region, users may be able to:
- Reset or delete the advertising ID
- Limit ad personalization
- Manage app permissions
- Manage consent choices for personalized ads
10. Security
We care about keeping the app experience safe and reliable.
Although we do not directly collect or store personal user data on our own servers, third-party services used in the app may apply their own security measures to protect data they process.
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time.
Any changes will be posted on this page with an updated “Last updated” date.
Users are encouraged to review this Privacy Policy periodically for any changes.
12. Contact Us
If you have any questions about this Privacy Policy or want to report an issue, please contact us at:
treynguyen2k.it@gmail.com