As noted in 7 Social Media Marketing Trends You Can’t Ignore in 2020, "video content will dominate social feeds". Micro-videos (under three minutes) are especially popular. This makes sense. We are a visually dominant, increasingly attention deficit society. We love looking at images. We especially like those that have a bit of animation and audio that accompanies them.
To create your own movie, you can download any number of apps, as noted in Creative Bloq: The best video editing apps in 2020. There are plenty of royalty-free music sites out there, such as Incomptech if you need to add music.
Although some of these apps are simple to use, it's time consuming to produce a well-edited video. Most of your time is generally spent tweaking things such as the following:
That said, I've noticed that there are a lot of popular videos out there that appear rough and unedited. These videos seem more about quickly getting a message out. Prior to creating your video, it's best to question who your audience is, and what level of quality they expect from you as a promoter of your product.