Operating a touch-screen device includes displaying at least a portion of a keyboard on a touch-screen, detecting a touch on the touch-screen, and detecting movement of the touch on the touch-screen. Operating the touch-screen device also includes moving the displayed keyboard in response to the detected movement of the touch on the touch-screen, detecting a release of the touch from the touch-screen, and assigning a character according to a final location of the touch relative to a location of the displayed keyboard.