It plays YouTube streaming videos! and any kind of video file that Flash Player supports ( FLV / H.264 encoded video and/or HE-AAC audio such as MP4, M4V, M4A, MOV, Mp4v, F4V). The code is very clean and it's easy to customize the player design. H.264 video and/or HE-AAC audio Supports MPEG-4 standard container files that contain video and audio data encoded using H.264 video and/or HE-AAC audio including MP4, M4V, M4A, MOV, Mp4v, F4V, FLV.