Foottroller phone adaptor allows the use of the Foottroller smartphone app "Foottroller +" as a remote controller for Foottroller, and supports the Pedal and wheel control mode for driving games.
 
Foottroller + app functions:
Change foottroller operation mode
Finetune speed controls of the Foottroller in mode 1 (fourway movement control) and mode 2 (walk-in-place)
Support pedal and wheel control mode, in which the smartphone is used as steering wheel and Foottroller is used for acceleration/brake throttle controls