The 7 Pro has a unique hinge that lets the screen slide almost the entire width of the phone, then tilt up. It's a great idea, although it look fragile. Trying it hands-on, it's more solid than it ...
he HTC One X+ combines the advanced Android 4.1 Jelly Bean OS and the powerful ‘4+1’ Nvidia quad-core processor with battery-saving 5th core.
The LG Quantum is the only sideways slider Windows Phone 7 device that offers a full QWERTY keyboard. It is probably the thickest of the Windows Phone 7 devices being displayed by U.S. carriers.