Have you tried to reverse a video? Try Vidreverse.

"Have you ever tried to watch a video reversed?
For example, you jumped from a height, after reversed it became that you flied to a height from the ground.
And you put water spilled, conversely it becomes the spilled water came back.
Isn't it amazing? Vidreverse can accomplish this dream.

It is a very good app, small，fast and reversing quickly. You can have a try (play.google.com/store/apps/details?id=com.snaptube.vidreverse).
Currently Vidreverse is too simple, that's why it needs your help. If you have any advice after using it, you can get in touch with the developers via email (yaxiojia@gmail.com). Or you can fill out this survey (goo.gl/forms/lpEulkHBwc)."