I flashed this on top of existing ROM (Paranoid Android) + Gapps and everything is working perfectly. YMMV.
Only thing I don't like about the inverted apps is the play store install button blends in with the background. It would be awesome for it to stand out a little more, even if it's just simply changing the color of the box that surrounds install, and then again with accept+download.
T-MO Galaxy S III Blue 16gb + 32gb
Rooted + Modded just the way I like it
Kernel: Always Changes
N7 - 32GB
ROM: PA 3.0
Kernel: Changing Weekly