You can now easily and quickly convert any of your mobile video into Slow motion video or Fast motion video. Supportive video formats: mp4, mkv, mov, mpeg, mpg, avi, flv, wmv. App Features: App supports video format mp4, mkv, mov, mpeg, mpg, avi, flv, wmv. One of the fastest video converter. You can create Slow motion or Fast motion video really fast and quick.