"I published this way back in the mid-80's and it became an instant classic. Still, it's my biggest seller, and one of the oldest products. This broad variety of switch games is a collection of 19 activities ranging from cause & effect, through following directions, matching, all the way up to using the switch to make a funny face (and print out)." RJ :-)
Use any interface capable of left-click or <space> as the switch.
As with most of my software, you can record each learner's name, and having the software call the learner by his/her name is HUGE!