Google Play Protect

Google Play Protect is a mobile threat-protection service created by Google for Android. This service consists of built-in malware protections that use machine leaning techniques and algorithms designed by Google.

The following is a screenshot of the Google Play Protect screen on an Android smartphone; it displays two  features that can be manually enabled or disabled by the user:

As we can see, Google Play Protect will periodically scan the local device for potentially harmful applications and threats. Therefore, user intervention is not needed  the process is automated for us.