A free program for Android, by PICCHAT.

This tool can change the speed of a video and it also supports a number of formats like MKV, MP4, AVI, MOV, WMV, and more.

It is also easy to use and has a user-friendly interface, making it an excellent choice for people who want to create slow- or fast-motion videos for YouTube, Facebook, Instagram, and other social media platforms.

You will be able to create many points with different speeds in one clip and change the speed of the video in a number of ways.