The next update will feature controller support :) . You can choose between wheel or standard joystick.
Wheel tested: Gembird STR-RACEFORCE
Joystick tested: Hama Black Force
Mappings:
-- Wheel --
B10 - Show / Hide menu
B9 - Change camera
Right pedal - Gas
Left Pedal - Brake / Reverse
-- Joystick --
B10 - Show / Hide menu
B9 - Change camera
B8 - Gas
B7 - Brake / Reverse