Media Video Music Player WiFi Direct All share Cast Support for Samsung smart TVPlay videos with subtitle or musics and cast them to your smart tv by one touch.Supported formats."mkv,mp4,avi,3gp,flv,mpeg,mpg,wmv,mp3,m4a,wma,ogg,m4v..."Subtitle extension should be "srt" and must be the same as the video file nameBy touching the video screen, you can make the video full screen.Firstly make WiFi direct contact with your smart tv and cast the video.The media files should be in phone sdcard (anywhere)