Android enforces strict SELinux policies to prevent apps from touching system resources. The microG Magisk module must include sepolicy.rule files to patch the security policy live. This allows the unprivileged microG process to access system-level locations, inject GPS data, and manage network sockets that are usually restricted to the Google Play Services UID.
Google uses the Play Integrity API (formerly SafetyNet) to detect root and modified systems.
The "microG Magisk Module" bridges this gap by modifying the system's behavior rather than just installing apps. The module performs two primary functions:
