A free program for Android, by Lazy Rabbit Studio.
Speed Up Video Editor - Video Speed In Fast Motion And Slow Motion is a fast-motion video editor app for Android phones that lets you make videos faster or slower to match your personal preference. You can make your video faster or slower without having to add watermarks or other visual effects. The app supports a variety of formats, including MP4, AVI, MOV, MKV, and WMV. You can use the app to make a movie from your own photos, even if you only have a smartphone.
The app is simple to use, with an easy-to-read interface. You can select from a variety of speeds, from 1.5 times to 4 times. You can also select from a variety of frame rates, from 24 frames per second to 60 frames per second.
