SafetyNet Device Check is a useful Android application developed by SebastianG that helps you check your device integrity against Google's SafetyNet Attestation API. This app tests several parameters, including hostname, generated UUIDs of request and response, package name of the app, response time, APK certificates, device profile, and integrity.

The app provides advice from Google if the check fails, making it easier for you to identify and resolve any issues. Additionally, SafetyNet Device Check offers SafetyNet implementations with a backend for individuals or companies.

Overall, SafetyNet Device Check is an effective tool for ensuring that your device is secure and meets Google's standards. The app is easy to use and provides valuable information to help you maintain your device's integrity.