What about BlackBerrys? In most of the US and EMEA their image is not only limited to business usage only, but also gaming and fun and they have a suitable marketshare in your possible target group aswell as a manageable hardware/software landscape.
http://www.berryreview.com/2012/01/17/ri...oney-from-apps/http://www.berryreview.com/2012/01/27/bl...rowd-in-the-us/