I had to google it but i found it.I just hope db doesnt block it https://www.dropbox.com/s/c3kmpc1au1odno2/Nubia_camera_V1_0_26.apk
I downloaded the .apk and it is working on my Z1s :good:
I actually prefer the OEM camera software. Seems to be a bit better on focusing and sharper...my $.02