The trailer above is from the Russian Nintendo channel. It was the easiest one to find.
Details: I spent about thirty hours playing through the game. More information can be found at https://www.pokemon.com/us/pokemon-video-games/pokemon-platinum-version/
This is a review of the game from the perspective of someone playing it in 2019. Pokemon Platinum is simply outdated. The recent Pokemon games are so far ahead of this game that this game is just not worth playing.