Pokémon announced on its Twitter page today that a Pokémon Presents is scheduled for August 18 at 6 AM PDT.
Pokémon Brilliant Diamond and Pokémon Shining Pearl are set to be released this November 19 while Pokémon Legends: Arceus will be available starting on January 28.
He also runs a YouTube channel about Japan stuff called TheDoctorDazza, tweets at @DoctorDazza, and posts photos of his travels on Instagram.