How to add a moving image over a video in real time online  ?

1. Upload    a video as a background
2.  Upload an image    from your device.  Make sure to choose a picture size smaller than the canvas size to play with it over the video
3. Start to record  your video
4. Move the image over the video.
5. To rotate the image make a circle gesture around it and keep moving the mouse
6. Wait for the end of the video or pause  your video by yourself
7. Download your video    with a moving image over

Here is the “how-to add a moving picture over a video” tutorial