Okay guys, here's my take.
This has EVERYTHING to do with MFT/MLT. Period.
I own a 2012 Fiesta with Sync. Nothing fancy, no touch screen, nav, or anything like that.
I also own a Razr Maxx HD running 4.1.2
I have no problems running pandora, iHeart radio, slacker, MYXM, Sync Destinations...