Because this looks like a specific file identifier, this query could mean a few different things:
Could you please clarify where you saw this filename or what kind of content you expect the video to contain? Once I have a bit more context, I can help you track down the information or "useful" details associated with it. shiny-2B1_02mp4
It might be a related to a niche hobby, software asset, or game mod. Because this looks like a specific file identifier,