China's own Motorola RAZRs have arrived, and have plenty to differentiate themselves from the Verizon-coated version available in the US. Thankfully, our colleagues over at Engadget Chinese have managed to get some intimate hands-on time with the dual-SIM capable XT928. Whether it's the upgraded 13 megapixel camera, or the 4.5-inch HD display crammed inside, this Motorola mobile arrives slightly chunkier than the RAZR we're used to. In fact, it looks more like a distant cousin than a simple variant. A not-part