A free program for Android, by AndroTechMania.

Do you ever want to record a moment in your life and want to put emphasis on a specific part of the video? If yes, then this app is just for you.

Video Speed : Fast Video and Slow Video Motion is the perfect tool if you want to put a slow- or fast-motion sequence on your video. It’s easy to use: simply record a video and edit the part where you want to apply the slow-motion or-fast-paced segment. You can speed up your recording up to four times faster. Once done, you can easily share it on social media.

The app is a great tool for making creative content. It supports major formats, such as MP4, WMV, 3GP, AVI, MPG, M4V, MPEG4, MOV, MKV, WEBM, M2V, and more.