Nintendo just released Pokemon Mystery Dungeon: Explorers of Darkness, a Chunsoft created Pokemon roguelike, in North America and another addition to the Pokemon Ranger spin off in Japan. But, the Pokemon series is a cash cow. There are always new Pokemon games in the pipeline.
Unlike the aforementioned games Pokemon Platinum isn’t entirely new. See, Pokemon Ruby/Sapphire : Pokemon Emerald :: Pokemon Pearl/Diamond : Pokemon Platinum. Nintendo hasn’t gone out of their way to detail the differences in the enhanced remake. However, Giratina (Origin form) will be in Pokemon Platinum as seen in the screenshot on the right. Japan gets Pokemon Platinum this fall. Nintendo has not announced a release date at this time for any other region, but a Pokemon game is a shoe-in for an international release.
Images courtesy of Nintendo.