I just found this and think it's pretty neat. This enables
use of Android phones and tablets using one or more switches! Available
soon for iPhone/iPad.
http://komodoopenlab.com/tecla/
Jim Lubin
http://makoa.org/jim
Quad-list Web Page:
http://makoa.org/quadlist
Spinal Cord Injury Resource Page:
http://www.makoa.org/sci.htm