This is a video player that support SMI, SRT, SBV and ASS/SSA subtitle file. SMI, SRT, SBV and ASS/SSA file have to exist at same place with movie file. If you have a /sdcard/AAA. Mp4, SMI file name must have /sdcard/AAA. Smi. < Feature. Subtitle mirroring for Side by side video. Support ASS / SSA. Playing YouTube and support YouTube caption.