The overwhelming bulk of a Unity game on Android runs in purely native code (the Unity shared library). Of course the game orchestration and such runs in a mana

The overwhelming bulk of a Unity game on Android runs in purely native code (the Unity shared library). Of course the game orchestration and such runs in a managed runtime (mono), but the garbage created by simple orchestration/management running in a GC is minuscule compared to the garbage created by an entire game engine running in a GC.