???? ??? ???? ????? ??? ?, ??, ??, ?? ?? ? ?? ?? ????.????? ????? ? ???? ?? ??? ???????? ????, ? ???? ?? ??????? ???? ??? ??? ??? ?, ? ???? ?? ?????? ?????.To cater to the mobile-savvy inhabitants of Busan, “??” has formulated a cellular-only app. This app provides location-based solutions, rendering it very practical for users to uncover nearb