A smart device and a method for controlling the same are disclosed herein. Herein, the method includes the steps of operating an application of the smart device, so as to display contents and a contents control interface controlling the contents, wherein the contents control interface may control a display of the contents in accordance with a first input with respect to the content control interface, and wherein a display direction of the contents may be displayed by being automatically or manually rotated, and controlling the display direction of the contents by using a second input with respect to the contents control interface, wherein the playback function of the contents is controlled in accordance with the first input, and wherein a position of the contents control interface may be relocated in accordance with the second input.