Dr. Mario isn't a real doctor. He's a quack. Surely everyone knows this by now. Why do we let him get away with his medical practices when it's clear that he's a fraud?

-ahem- Apologies. Dr. Mario may be a quack, but his games are pretty decent, so it's a nice surprise that Nintendo's next mobile game is going to be Dr. Mario World. A whole world of Dr. Mario! He's gonna Tornado Spin your ass in every corner of the globe. (Little Smash Bros. humour for you there, hope you liked it.)

We don't know anything about Dr. Mario World right now, other than the fact that it's being developed in partnership with LINE and NHN Entertainment. LINE being one of the biggest messaging apps in Japan, and NHN having developed a wide range of licensed games before now. So that's some decent pedigree behind it, at least.

But what kind of game will it be? Is it going to replicate the old Tetris-esque gameplay of the original Dr. Mario? How would that even work in a free-to-play way? Or is it going to be something completely different, like a Candy Crush clone or something? Only time will tell.

What we do know is this - Nintendo really needs to get itself back in gear with its mobile games. The last release was Dragalia Lost, and that still hasn't launched everywhere yet. Mario Kart Tour has just been delayed into 2019. The only game people are still playing is Fire Emblem Heroes, which is now so impenetrable that I won't touch it with a barge pole. We're here waiting for Nintendo's big mobile push, and it never seems to come. Sort it out!

We'll keep you posted as we learn more about Dr. Mario World and any other big Nintendo mobile games in the future. Maybe even that rumoured Zelda game will finally get announced. But probably not. Say tuned to PG.com either way.