It's a mind-blowing trainwreck of a classical-period Nintendo game that's noteworthy for kicking Arino's ass over the course of a full season. Also, for being the absolute worst game in history.
I'll agree that just watching a video doesn't fully translate the disaster this game is, you really have to play a rom of it to grasp the ineptitude of the programmers. Then again, that easter egg might explain a bit why this game ended up this way.
The bottom of this page has a quick rundown of exactly how gloriously incompetent this game is, in case you're still wondering exactly what you're looking at here.