Obviously, they're holding something back until January.

This. Nintendo is wandering into a new market for them. Affordable tablets (among other things) killed the Wii U. If Nintendo can put a Switch in the hands of some mobile gamers, they will be moving into new territory. I honestly know some mobile gamers who are looking Nintendo's way - and I don't mean the house moms playing Pokémon Go. 

It was so secret that nobody noticed it yet.

...but me.

/thread

that is unique =D

Last I checked neither competitor has anything like this. PS vita tv is a joke compared to this.

Remoteplay obviously...oh.

I think it's a bit misguided to say that they were referring only to MS and Sony wirh that statement. In all likelihood, had they announced it a full year in advance, there would be dozens of Android powered knockoffs on the market before the Switch even released. There would be market confusion, and they'd be tasked with setting themselves apart from all these other, very similar, devices.

Taking note of the Switch? You made hybrid links!!! Cool~

I guess it's something like that? Local multiplayer out of the box easily done with the joy and pro controllers.
I wonder if you can play with four people on the go on a single device.

That splitscreen mode is as rare as the hobbitses playing it.

There have been dozens of android peripherals and docking stations on the market for years. I could've built myself a Nintendo Switch years ago with an android tablet. Or I could've just bought a Shield Tablet which was released a year ago and does exactly the same.

Maybe Nvidia shouldn't have announced its tablet so early so that Nintendo couldn't steal it for their console.