Need HELP! File submission Rejection.

So I am new here, don’t know anything about submiting this kind of files.
So I need to understand why my project was rejected. I know it is not so awesome (it is my first project, I never did the video files), but I saw on envato even worse projects
preview - https://www.youtube.com/watch?v=gnTHqV4OwTU&feature=youtu.be