A portable apparatus to provide a screen capturing function, when a display unit of the apparatus displays moving pictures on a display panel thereof, includes a button signal input unit to receive a button signal inputted by a user; a picture capturing unit to capture individual pictures of the moving pictures, when the inputted button signal is determined to be a first button signal; a thumbnail creating unit to create thumbnails of the captured pictures, the thumbnails being sequentially arranged on a predetermined portion of the display panel; and a screen recording button located on an exterior of the portable apparatus to generate the first button signal.