Privacy Policy for Penguin Sudoku Master

Last updated: February 27, 2026

Introduction

Penguin Sudoku Master ("we", "our", or "us") operates the Penguin Sudoku Master mobile application (the "App"). This Privacy Policy explains how information is collected, used, and disclosed when you use our App.

By using the App, you agree to the collection and use of information in accordance with this policy.

Information Collection and Use

Personal Information

We do not directly collect, store, or process any personal information. The App does not require user registration, login, or any personal details to function.

Game Data Storage

The App stores the following data locally on your device using Android's SharedPreferences:

• Game progress and saved games
• User preferences and settings (theme, sound preferences)
• Game statistics (games played, completion times, difficulty levels)
• XP points and rewards earned
• Daily challenge completion status

Important: This data is stored only on your device and is never transmitted to our servers or any third parties.

Advertising Data

We use Google AdMob to display advertisements in the App. AdMob may collect and process certain information to provide and personalize advertisements.

Information collected by Google AdMob may include:

• Advertising ID (a unique, user-resettable identifier)
• IP address
• Device information (device model, operating system version)
• App usage data and interactions
• Ad interaction data (views, clicks)
• General location information (country/region level)

We do not have access to or control over this data collection by AdMob. For detailed information about Google's data practices, please review:

• Google Privacy Policy: https://policies.google.com/privacy
• Google AdMob Partner Policy: https://support.google.com/admob/answer/6128543

Types of Advertisements

The App displays three types of advertisements:

1. Banner Ads: Small ads displayed at the bottom of certain screens
2. Interstitial Ads: Full-screen ads shown between game sessions
3. Rewarded Ads: Optional video ads that users can watch to earn in-game rewards (XP points)

App Permissions

The App requests the following permissions:

INTERNET

• Purpose: To load and display advertisements from Google AdMob
• Data transmitted: Ad requests to Google's advertising servers

ACCESS_NETWORK_STATE

• Purpose: To check network connectivity before attempting to load advertisements
• Data transmitted: None

Children's Privacy

Penguin Sudoku Master is suitable for all ages, including children. We do not knowingly collect personal information from anyone, including children under 13 years of age.

The App:

• Does not require any personal information
• Does not include social features or chat functionality
• Does not allow in-app purchases
• Uses Google AdMob with family-safe ad settings

If you are a parent or guardian and believe your child has provided personal information through the App, please contact us so we can take appropriate action.

Third-Party Services

The App uses the following third-party service:

Google AdMob

• Purpose: Display advertisements to support the free App
• Data Controller: Google LLC
• Privacy Policy: https://policies.google.com/privacy
• AdMob Policies: https://support.google.com/admob/answer/6128543

Google AdMob is the only third-party service integrated into our App. We do not use analytics services, crash reporting tools, or any other third-party SDKs.

Data Security

Since we do not collect or transmit personal data to our servers, there is minimal security risk associated with using the App.

Game data stored locally on your device is protected by your device's built-in security measures. We recommend:

• Keeping your device's operating system updated
• Using device lock screen security
• Being cautious about granting device access to others

Your Privacy Rights

Opt-Out of Personalized Advertising

You can opt-out of personalized advertising at any time:

On Android devices:

1. Open Settings
2. Go to Google → Ads
3. Enable "Opt out of Ads Personalization"

Alternative method:

1. Open Settings
2. Go to Privacy → Ads
3. Enable "Opt out of Ads Personalization" or "Limit Ad Tracking"

After opting out, you will still see ads, but they will not be personalized based on your interests.

Reset Advertising ID

You can reset your Advertising ID to disassociate your device from previous ad interactions:

On Android devices:

1. Open Settings
2. Go to Google → Ads
3. Select "Reset advertising ID"

Delete App Data

To delete all locally stored game data:

Option 1 - Clear app data:

1. Open device Settings
2. Go to Apps → Penguin Sudoku Master
3. Select Storage → Clear Data

Option 2 - Uninstall the app:

1. Uninstall Penguin Sudoku Master from your device
2. All locally stored data will be permanently deleted

Data Retention

• Local game data: Retained on your device until you clear app data or uninstall the App
• Advertising data: Managed by Google AdMob according to their data retention policies

International Data Transfers

If you use the App outside the United States, please be aware that Google AdMob may transfer and process data in the United States and other countries. Google complies with applicable data protection frameworks for international data transfers.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons.

When we make changes:

• We will update the "Last updated" date at the top of this policy
• Significant changes will be communicated through the App or on our website
• Continued use of the App after changes constitutes acceptance of the updated policy

We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.

Legal Compliance

This Privacy Policy is designed to comply with:

• Google Play Store policies
• Children's Online Privacy Protection Act (COPPA)
• General Data Protection Regulation (GDPR)
• California Consumer Privacy Act (CCPA)
• Other applicable privacy laws and regulations

Contact Us

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