Call me utterly deluded but the rise in autism diagnosis and the pace of technological advancement might just come up with something interesting, these guys seem to think so http://www.guardian.co.uk/world/2013/may/22/german-it-firm-sap-seeks-autistic-workers
Daisy the dinosaur and later hopscotch are both made for the budding programmer. An eye for detail and amazing attention spans (on own terms obviously!) are things that many spectrum kids have in bucket loads so might be a winner. My raspberry pie is still sitting in its pretty little box as I am clueless but we proudly managed to get Daisy to shrink, grow and spin!.
For full list of tried and tested apps that bring out the awesome in autism check out my SEN page.