During the Pokémon 2019 Press Conference, one of the big announcements was confirmation that Detective Pikachu is heading to the Nintendo Switch.
The ending to the Nintendo 3DS version was mentioned, reminding viewers that it ended on a bit of a cliffhanger, implying that this will be a sequel to the original game. The press conference also confirmed that it would have a different ending from the recent Detective Pikachu movie.
No release date, screenshots, gameplay footage, or other information beyond that has been given as of yet.