Kollus Player is required to play contents protected by Kollus Security Pack. 1) Utilizes hardware codec. Software codec will be used in case hardware codec is not supported. 2) Video playing speed control (0.5 to 2.0) 3) Subtitle support(SMI, SRT) 4) IcecreamSandwictch(4.x), JellyBean(4.1.x~4.3.x), KitKat(4.4.x), LolliPop(5.0.x)