They specifically look for autos because of the nature of the injuries most of their drivers have suffered. A mate does some work with them and I've had the pleasure of meeting Ben Gott with his R2R Bowler at RAF Odiham
Yes, you can put it in sport mode then click back and forth with the stick to self-select gears 1-5. As it's effectively an electrical switch signal (just with a blooming big switch) it's fairly straightforward to convert to flappy paddle if you're so inclined.