Google Camera or GCam is the stock camera app shipped on Nexus and Pixel phones from Google. Google’s HDR+ technology improves picture quality specially on low and mid end phones.
Google Camera is a Moded Pixel Camera app that modified by developers like Arnova8G2, BSG, Nikita, Urnyx05, Wichaya and others to work on other Android Devices.
The last Versions of Google Camera is Gcam_8.3
All modified versions are available on celsoazevedo.com