???? ? ???? ???, ??, ?? ???? ???? ??? ???? ? ???.??, ?? ??? ????/??/??/????/?????? ?? ???? ?? ?? ??? ?? ?? ??To cater on the mobile-savvy inhabitants of Busan, “??” has formulated a cellular-only application. This application delivers area-based products and services, which makes it extremely effortless for end users to locate close by companie