So, as far as I know only the 5.0.X.X versions of Unity actually work with mobile SDK, and mobile sdk .6.X does not work.
I have it with 5.0.2 and mobile sdk 5.1 working except surfaces magically change textures depending on which way you are facing. Is there a solution to that?
Long shot, but I fixed that issue on my demo by putting the camera inside a sphere. Basically, if the camera was free floating i would get the texture changem but if the camera was inside the cockpit, nothing would happewn... so i figure, hummm, the camera is inside the glass texture of the plane 🙂 try and let me know if it works