No need to install any other app, No need to register anywhere, it’s already there in your phones. I’ll guide you to it. Follow these steps:
Step 1 – Go to settings and look for ‘Security’ or ‘Privacy’ if you are on realme UI.
Step 2 – Tap on ‘Personal Information Protection’.
Step 3 – You may turn the smart protection ON now.
Step 4 – It should automatically detect any app which is suspicious.
Step 5 – There are options to enable this feature manually for a few apps.
Source – Realme