Hundreds of smartphones of all shapes, sizes and colors pass through the doors of Engadget HQ every year, so it's natural for a few oddball devices with crazy form factors to end up in our hands from time to time. The Motorola Flipout, LG DoublePlay, Kyocera Echo and Samsung DoubleTime are all instances of carriers trying something new, seeing what sticks. Of course, pushing out a phone with an unproven form factor is a huge gamble for a mobile provider, and as a result they only ship to stores in low volume and rarely receive an
