Modern GCam features rely on 64-bit instructions. Developers must swap these out for compatible 32-bit equivalents without destroying image processing speed.
This usually happens if your phone lacks Camera2 API support. Download a "Camera2 API Probe" app from the Play Store to check. If it says "Legacy," your device cannot run GCam without root modification. camera gcam 32 bit exclusive
Do not search Google Play. Go to (the community Bible). Modern GCam features rely on 64-bit instructions