It's not exactly difficult to put into words what the Kyocera Echo is -- it's a dual-screened Android phone, after all -- but it's a wee bit more challenging to wrap your head around who exactly it's for. The hardcore gaming contingent already has Sony Ericsson's Xperia Play, and those obsessed with screen real estate have options spanning the gamut -- everything from Dell's 5-inch Streak to a veritable cornucopia of choices in the 4- to 4.3-inch range. So, where exactly does this oddball fit in? Quite frankly, we get the impressi
