Just over four months after the unique device hit Verizon stores, the Sony Ericsson Xperia Play 4G has now made it past AT&T's front door and onto shelves nationwide. The unique factor on this particular version of the "PlayStation Phone" is the inclusion of 14.4Mbps HSPA+ -- with enhanced backhaul, naturally -- and will be the first PlayStation-Certified smartphone on AT&T's network. At $50, the pricing is certainly competitive since
