SEGA have officially announced Super Monkey Ball: Banana Blitz HD and it will be available on Switch, PS4, and XBONE on October 29th, 2019 and a PC release (Steam) planned for Winter 2019:

We’re not monkeying around, Super Monkey Ball: Banana Blitz HD lands on the Nintendo Switch, PlayStation 4, and Xbox One on October 29, 2019, with a Steam release planned for Winter 2019!https://games.sega.com/supermonkeyball

 Jul 16, 2019

You can watch the launch trailer below:

Super Monkey Ball: Banana Blitz HD | Announcement Trailer