Hello and welcome, pauljh.
1) Change nubs to joysticks: Press the Pandora key/ click Pandora Icon on taskbar, then "Settings" then "Pandora Nub Confiigurator."
Select Joystick for either or both Nubs, then click "Write Nub Settings."
2) To add th Trashy`s post, on your new OpenPandora`s...