A display device is provided. The display device includes an input unit, a display unit, a storage unit, and a processing unit. The input unit it for generating input signals in response to user input. The display unit is for displaying interfaces with a plurality of icons. The storage unit is for storing a movement track and a speed of each icon. The processing unit is for selecting an icon in response to an input signal from the input unit, acquiring a movement track and a speed of the icon from the storage unit, controlling the icon to move at the speed along the movement track and the display unit to display a movement of the icon, and performing a function associated with the icon.