If you're an Android-toting SiriusXM fan, you've probably spent the last month wondering when your smartphone would get the newfound flexibility to tune in beyond live radio. As of Sirius XM's version 2.2 update, Android is back on equal footing. The upgrade supplies On Demand streaming, both for catch-up and the occasional classic, as well as downloadable copies to keep the music and talk flowing offline. As before, the access is considered a free perk of a SiriusXM subscription; if you enjoy Howar