Last updated: June 28, 2026
Ethereal Protocol ("we", "our", or "us") operates the mobile application Yarn Fever: Shikaku Puzzle 3D! (Package Name: com.ethereal.yarn.fever).
This Privacy Policy explains how we collect, use, and protect information when you use our application.
Our application may automatically collect certain information, including but not limited to:
Device information (device model, operating system version)
Advertising identifiers (such as Google Advertising ID)
App usage statistics
Crash reports and diagnostic information
We do not collect personally identifiable information such as your name, address, or phone number unless you voluntarily provide it to us.
Our application may use third-party services that may collect information used to identify you.
These services may include:
Google Play Services
Google AdMob
Firebase Analytics
Firebase Crashlytics
These third-party service providers have their own privacy policies regarding how they collect and process data.
The information collected may be used to:
Improve the application's performance and user experience.
Analyze application usage.
Display advertisements.
Detect, diagnose, and fix technical issues.
The application may display advertisements provided by third-party advertising networks, including Google AdMob. These networks may use advertising identifiers and similar technologies to provide personalized or non-personalized advertisements.
Our application does not knowingly collect personally identifiable information from children under the age of 13.
If you believe that a child has provided us with personal information, please contact us and we will take appropriate action.
We value your trust in providing information and strive to use commercially acceptable means of protecting it. However, no method of transmission over the Internet or electronic storage is 100% secure.
We may update our Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date.
If you have any questions or suggestions regarding this Privacy Policy, please contact us:
Ethereal Protocol
Email: etherealprotocol382@gmail.com