There is no official, fully functional "GCam 32-bit" for modern phones.
If you see "GCam 32-bit" advertised, treat it like "Diet Water" – it's either fake or useless. Save your time and phone's security. camera gcam 32 bit
If you have a (most phones released before 2015, or very low-end budget phones), you cannot run the standard Google Camera (GCam) . There is no official, fully functional "GCam 32-bit"