Panasonic may have bowed out of the consumer smartphone game, but gadgets for businesses are a completely different story. Thats why the Japanese company came to Mobile World Congress with a new pair of rugged Toughpad smartphones in tow. You cant mistake them, despite their identical looks, because one runs Android 4.2.2 and the other has Windows Embedded 8 Handheld — and we just got a chance to see what theyre made of.