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) Recommended Devices: Vega Racer, Galaxy S3, Galaxy S4 mini, Galaxy Grand, Sony Xperial Tablet Z, Nexus 7 1st generation, Nexus 7 2nd Generation, Galaxy Note 2, Galaxy Note 10.1