1. A mobile terminal, comprising: a memory configured to store images; a display unit configured to display images in either a two dimension (2D) format display mode or a three dimensional (3D) format display mode; and a controller configured to: control the display unit to display a list including first image items and second image items when a command for displaying a list is input, the first image items being displayed as at least one first image type and the first image items having a 2D format, the second image items being displayed as at least one second image type and the second image items having a 3D format, control the at least one first image type or the at least one second image type having a same format as a current format of a display mode of the display unit to be distinguishably displayed from another of the at least one first image type or the at least one second image type having a format different than the current format of the display mode, create an icon by compressing either the first image items or the second image items having a format different than the current format of the display mode into one item, and control the display unit to display the created icon within the list instead of either the first image items or the second image items having a format different than the current format of the display mode.