Supposedly a touch-pad, yes. Apparently registers two separate touch-points and can be clicked. I'm not sure what purpose it could have, though.
Hopefully the game developers will take charge and incorporate it into their games. Sucks having a fancy doo-dad that can only be used on a limited number of things. -Looking at you, controller set for Steel Battalion.-
Good ol' Dogs never Die, they just keepin on livin' till their time comes.