Foldable OLED SCREEN Phone by Samsung!

A new cell phone developed by Samsung opens like a book to reveal a larger OLED screen, essentially turning the phone into a portable media player. Samsung recently demonstrated the prototype at the FPD International 2008 tech trade show in Japan, possibly as the shape of things to come.
Source

As you can see from the video, when the device is closed it looks like a typical cell phone. It has a small screen and a menu of icons, with the appearance of a touch screen.