1. A method, comprising: displaying at least one content icon; identifying, if an approach to one of the at least one content icon is detected, a content icon at a position at which the approach is detected; determining a classification category of content corresponding to the identified content icon; searching for at least one related content classified in the same classification category as the content corresponding to the identified content icon; displaying the identified content icon and at least one related content icon corresponding to the at least one related content; and executing, if one of the at least one content icon is touched, content corresponding to the touched content icon.