I tried alot of versions, but 8.4.4 version is working good for me, although it freezes after 3 seconds, but switching from normal to portrait then back to normal again fixes it temporarily.
link to download it from the official website:
www.celsoazevedo.com
you can see below the difference between the base app and Gcam - x10 zoom- :
there are alot of settings to configure, but I spent some time working around and came up with pretty good results.
dont forget to edit your session Id/stream mode to 61444/8.
link to download it from the official website:

Shamim: GCAM_8.4.400.42.XX_SHAMIM_V15FIX
Download GCAM_8.4.400.42.XX_SHAMIM_V15FIX by Shamim.
you can see below the difference between the base app and Gcam - x10 zoom- :
there are alot of settings to configure, but I spent some time working around and came up with pretty good results.
dont forget to edit your session Id/stream mode to 61444/8.