????? ????? ??? ???? ???? ???? ?????. ??? ???? ?? ???? ????? ??? ???? ? ??? ???? ??, ??? ??? ?? ???? ??? ???? ?????.??? ?? ??? ??? ?? ??? ????? ???? ???? ??? ???.To cater to the mobile-savvy populace of Busan, “??” has produced a mobile-only app. This application features locale-centered products and services, rendering it very handy for users