Privacy Policy

Company: Guangzhou Shigu Information Technology Co., Ltd.

1. Introduction

We (Guangzhou Shigu Information Technology Co., Ltd.) are committed to protecting your privacy. This Privacy Policy (hereinafter referred to as the "Policy") explains how we collect, use, store, share, and protect your personal information, and informs you of your rights regarding your data.

Please read this Policy carefully before using our App, "Sudokus". By continuing to use the App, you agree to the terms of this Policy.

2. What Information Do We Collect?

We may collect the following types of information:

2.1 Standalone Offline App – No Direct Data Collection

This App operates primarily as an offline application. We do not collect, store, or process your personal information through our own servers or code.

2.2 Information Collected by Third-Party SDKs

To deliver personalized advertisements, we integrate Google AdMob, a third-party advertising service provided by Google LLC.

SDK Name: Google AdMob

Third-Party Provider: Google LLC

Collected Information (by AdMob):

• Device identifiers (such as Android Advertising ID, GAID)
• Device model, operating system version, and screen resolution
• Approximate location (derived from IP address or coarse location)
• Network information (e.g., carrier, Wi-Fi status)
• App usage data (e.g., time spent in app, features used)
• Sensor data (e.g., accelerometer, gyroscope – used for ad interactivity)
• Information about ads shown, clicked, or installed
• Advertising ID reset status

Note: Google may combine this data with other information to provide and improve advertising services across apps and websites.

3. How Is Your Information Used?

The information collected by Google AdMob is used solely for the following purposes:

Ad Delivery and Personalization

To serve relevant advertisements based on your device and usage patterns.

Ad Performance Measurement

To measure the effectiveness of ad campaigns and prevent fraudulent activity.

Device Adaptation

When you play video ads or interactive content, sensor data (e.g., accelerometer) may be accessed to support ad functionality (e.g., detecting device orientation).

Sharing and Deep Linking

When you share content or receive shared links, the App may access your clipboard to read URLs or codes for navigation and campaign tracking. This access is limited to the duration of the sharing action.

Storage Access

To enable ad downloads and caching, the App may request storage permissions to read and write to external storage (e.g., SD card), and check device storage, CPU, and memory status.

We do not use any of this data for our own purposes. All data collection and processing are controlled by Google under its own privacy policies.

4. How Is Your Information Shared and Stored?

4.1 Data Sharing

We do not share your personal information with any third parties for their own marketing or unrelated purposes.

However, Google AdMob receives the data listed above to:

• Deliver and optimize advertisements
• Prevent ad fraud
• Provide analytics to us (aggregated and anonymized)

Google may share this data with its partners (e.g., advertisers, ad networks) as described in Google’s privacy policy.

We may also disclose information if required by law, such as in response to a court order or government request.

4.2 Data Storage

All personal data collected by Google AdMob is stored and processed by Google in accordance with its global data practices.

Google’s data processing and storage comply with applicable international privacy laws, including GDPR and CCPA.

For more details, please see Google’s Privacy & Terms.

5. Policy Updates

We may update this Privacy Policy from time to time. Any changes will be posted within the App via a notification or through an update to this page. Your continued use of the App after such notice constitutes acceptance of the revised policy.