yvmuell
12
When you do some search in the forum you will see that points 2+4 are not possible or you need to test (open Camera can open via another gallery e.g.)
For 2 just follow the link above for further information.
Reg 4:
Also for GCam Plesse search the forum and read, the information is available and already to be found in the links above
I moved your post to this other topic where you already started the Discussion.
Edit: not sure if you can achieve what you want reg OIS, overall just download some apps and do some Tests,