There is a huge difference between a real life wet plate collodian and what the new Koloid iPhone app can do, but nonetheless it is awesome that you can at least try to mimic the effect. The camera viewing experience looks similar to what one might see when they look into ground glass. When the picture is taken, you can then carefully develop it yourself using the virtual developer liquids. The point of this is the simulate a darkroom experience–and that is evident in the fact that you’ll even need to react quickly and tilt the phone to spread the liquid all around. Then when you’re all done, you can upload it to your favorite sharing site.