Gcam is the modded version/ port of the popular Google Camera which is very well known for its great software optimisations on the smartphone camera which available only on the Google’s Pixel Smartphone.
GCam comes with special camera modes like AstroPhotography, HDR+, Photosphere, etc which makes the photo clicked from your same device aesthetic. You love your smartphone camera more than before if your smartphone supports it
Yes, Micromax IN Note 2 has full Camera 2 API support and RAW support too. Thus it supports GCAM.
Here are the download links of working GCAM for Micromax IN Note 2.