Reply to Mapping an Ipad???

So I recently picked up and Ipad 2 and was wondering if there were any app that allowed you to map controls? like for instance I have an Mpd 26 that i have mapped out to control loops/effects n such in VDJ and Serato...is there an app that would give me that type of control so i dont have to to haul my 26 everywhere? would the mpc fly app allow me to do this???