Google Play Protect does not protect Android devices against malware attacks very well
according to latest test results of German company AV-Test.
The result confirms previous tests that AV Test and AV Comparatives conducted to test protective capabilities of Android security solutions.
Play Protect is the built-in malware protection for Android that powers more than two billion devices according to Google. The protective functionality is baked into Android and uses machine learning algorithms to improve in real time according to Google. The service scans more than 50 billion apps every day according to Google.
You can check "My apps & games" section of the official Google Play application to find out if Play Protect detects security related issues on the device and when it last scanned apps on the device. It is furthermore possible to start scans with a tap on the reload button.