Magisk is a popular tool for rooting and modifying Android devices. It also offers a module for installing GApps.
Google removed native Face Unlock from AOSP. To get it on Android 12, you need a Gapps package with the variant or higher that includes FaceUnlockService . Even then, it only works on devices that originally supported it (Pixel 4 series and some others).
While GApps can enhance the Android experience, there are risks and limitations to consider when installing them on Android 12.
Choosing the right Google Apps (GApps) package for Android 12 depends on your priorities: stability, size, or deep customization. While Android 12's official support lifecycle ended in early 2025