To add your own sound

  • Create video
  • Select the part you care about by tapping on it at thew bottom of the screen.
  • Scroll along the toolbar just above, until you reach volume. Turn the volume all the way down. This will mute the original sound.
  • Add your music to your phone (instructions here) (Select Kinemaster in the list of apps)
  • On the left of the toolbar select Music
  • this only seems to work with itunes