Abstract: A method for sharing an application between a first portable terminal and a second portable terminal includes the first portable terminal collecting application information if an application sharing event occurs, generating a marker including the application information, and displaying the marker; and the second portable terminal capturing an image of the marker including application information, recognizing the marker, extracting the application information from the marker, and installing an application corresponding to the application information from the marker. The first portable terminal includes a marker generating unit to generate the marker including the application information, and a display unit to display the marker. The second portable terminal includes a camera unit to capture an image of the marker, a marker recognizing unit to recognize the marker, a marker analyzing unit to extract the application information from the marker, and an application installing unit to install the application.

Abstract: A user interface apparatus includes a position identification unit to identify a first position where a first touch is generated on a display screen; a priority assignment unit to respectively assign priorities to menu items displayed on the display screen; and a menu item movement unit to move the menu items to the first position as a destination according to the assigned priorities and in response to the first touch. A user interface method in a touch device includes identifying a first position where a first touch is generated on a display screen, respectively assigning priorities to menu items displayed on the display screen, and moving the menu items to the first position according to the assigned priorities in response to receiving the first touch.