KOSFI

It is a mobile course app of KOSFI specializing in securities finance education. -File download function -Double speed (0.5x ~ 2.0x) function -Landscape and portrait playback screen and screen lock function -Set screen size (optimal, horizontal / vertical fit, full, 16: 9, 4: 3, ...) -Screen size scaling (multi-touch zoom in / zoom out) -Create / move / delete bookmarks -Section repeat function -Overlay function -Learning progress management function Website: https://www.kosfi.com Email: kosfi@kosfi.com Phone: 02-761-0231