Privacy Policy for Sudoku Spark™
Last Updated: January 2026
Introduction
Welcome to Sudoku Spark™, developed by Khelnedo Games™. We respect your privacy and are committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you use our mobile application.
When you use Sudoku Spark, we may automatically collect:
- Device Information: Device type, operating system version, unique device identifiers
- Usage Data: App interactions, features used, session duration, game statistics
- Crash Reports: Technical information to help us fix bugs and improve performance
- Advertising Data: Ad interaction data for serving rewarded advertisements
- Game Progress: Puzzles completed, scores, achievements, and streaks (stored locally on your device)
- Preferences: Theme settings, game options, notification preferences
We use the collected information to:
- Provide and maintain the app’s functionality
- Improve our app based on usage patterns
- Fix bugs and optimize performance
- Send notifications (only if you’ve enabled them)
- Display advertisements (rewarded ads for hints)
Data Storage
Local Storage
Your game progress, statistics, and preferences are stored locally on your device. This data is:
- Backed up to Google Drive (if you have Android backup enabled)
- Transferred to new devices during device migration
- Deleted when you uninstall the app (unless backed up)
Cloud Services
We use cloud services for analytics and crash reporting. These services collect anonymous, aggregated data to help us improve the app.
Third-Party Services
Our app uses the following third-party services:
Google Firebase Analytics
- Purpose: Anonymous app analytics and crash reporting
- Data collected: Usage statistics, crash reports, device information
- Privacy Policy: Google Privacy Policy
Google AdMob
- Purpose: Display rewarded advertisements
- Data collected: Advertising identifiers, ad interaction data
- Privacy Policy: Google Privacy Policy
Google Play Services
Advertising
Sudoku Spark displays rewarded advertisements that you can choose to watch in exchange for in-game hints. These ads are:
- Optional: You are never required to watch ads
- Non-personalized: We do not use your personal data for ad targeting
- Provided by Google AdMob: Subject to Google’s privacy practices
Data Sharing
We do NOT:
- Sell your personal information
- Share your data with third parties for marketing purposes
- Collect or store personally identifiable information (name, email, phone number, etc.)
Your Rights
You have the right to:
- Delete your data: Uninstall the app to remove all local data
- Opt out of analytics: Use your device’s privacy settings to limit data collection
- Manage backups: Control cloud backups through your Google account settings
- Disable notifications: Turn off notifications in your device settings or within the app
- Reset advertising ID: Reset your advertising identifier through device settings
Children’s Privacy
Sudoku Spark is suitable for all ages. We do not knowingly collect personal information from children under 13. The app does not:
- Require account creation
- Collect names, emails, or addresses
- Include social features or chat
- Display personalized advertisements
Data Security
We implement appropriate security measures to protect your information:
- All game data is stored locally on your device
- No sensitive personal information is collected or transmitted
- Analytics data is anonymized before transmission
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by:
- Updating the “Last Updated” date
- Displaying a notice in the app (for significant changes)
If you have questions about this Privacy Policy or our data practices, please contact us:
Email: sudoku.spark@gmail.com
Consent
By using Sudoku Spark, you consent to our Privacy Policy and agree to its terms.
© 2026 Khelnedo Games™. All rights reserved.