Doing two at once, since these two are very similar Apps; fun ways to deal with sensory issues through playing with colour.
A Mood Pad - Heat Sensitive Surface,a free App by Octarine Flame, was recommended by the ASD iPod Touch Project. However, I found that the App did not respond very well, and I had to press down on my iPod very hard in order to get any response from it. Which isn't good for some of the delicate workings of the newer iPods.
I wasn't very impressed with it, and to be honest, was bored quickly with it.
Art of Glow, a free App by