Abstract: A system for providing a game includes: a sponsor-league-providing-server which transmits a sponsor league list to an electronic device according to a sponsor league selection signal received from the electronic device, and transmits advertisement data registered in a particular sponsor league when executing a game corresponding the particular sponsor league selected from the sponsor league list. An electronic device requests a sponsor league list to the sponsor-league-providing-server and receives the sponsor league list in case the sponsor league is selected from a menu list of game mode, and displays a game execution screen including advertisement data at one side when a game corresponding to the particular sponsor league is executed.

Abstract: An exhibition guide system and a method for providing information in real time uses stored data. The exhibition guide system provides information in real time using stored data. The exhibition guide system includes an exhibition data server for storing information on exhibitions, a portable information providing unit for storing the information on exhibitions and outputting the stored information, and an information storage unit for storing the information stored in the exhibition data server in the portable information providing unit.