New P&D Pokemon Sequel unofficially announced

For all those Pokemon fans who have been waiting for the sequel to Pokemon Diamond, and Pearl for the DS, it appears that it has unofficially announced to be called Pokemon Platinum. The first image from what appears to be the next CoroCoro has arrived, this single page scan shows Pokemon Platinum, what appears to be a new battle interface, and costume for the main character.

According to TheTanooki, Platinum will be out in September in Japan.