Nintendo has announced on Twitter that it’s revealing “a new way to play” the Nintendo Switch tomorrow.
The “new way to play” will be announced on January 18, 2018 at 7:00am Tokyo Time. The page can be found here.
UPDATE: Times are as follows:
January 17, 2018 2pm Pacific Time
January 17, 2018 5pm Eastern Time
January 17, 2018 11pm London Time
January 18, 2018 6:00am Singapore Time
UPDATE 2: It has something to do with kids.