Yes Bethesda Softworks is the publisher (and their internal studio Bethesda Game Studios is the developer ) of Skyrim.  Historically, they have never supported Nintendo so them showijg up is a big deal.  Hence people makijg a big deal out of it.

I don't know much about graphics, teraflops and those things, so if any of you could enlighten me...

Let's say Nintendo Switch is about half Xbox One in terms of specs. Xbox One games often target 900p with 30/60fps, and even some times, they manage to hit the 1080p milestone.

For what I've read from Nvida and the fact that Unreal Engine 4 will be a thing on Switch, it looks like the console will be able to do the same things a modern console can do, only in lower scale (resolution, quality textures/lightning...)

So, my question is: if NS is about half Xbox One... how plausible would be for it to have the same games at maybe a lower resolution and some cutting here and there? Would it be easy for a developer to do that or it would be another Wii U situation where the difference in raw power and architecture would simply make it too difficult to port anything from PS4/One? And finally: is it possible for the NS to make its games run better in general (framerate and resolution) when docked due to having external power?

It's surely possible to port games on the NS (but the weaker the console is, the harder the port is). The question is : is it worth it? Third party games don't sell on Nintendo home consoles. And a PS4/Xbox One version is enough to sell your game to more than 70M players (possibly 80M when the NS will release). Why would they spend time and money if the Switch's version of the games represents something like 5-10% of the sales? Big Japanese developers supported even the XBox One at the beginning of the generation, and after some 80/20 sales ratio between the PS4 and XBox One versions of their games, their future games will unsurprisingly be PS4 only. The NS could really suffer from the same thing from third party developers. If it's not worth it, they won't do it.

Nintendo convinced them to port Skyrim to Android / IOS. Because the NX will likely be powered by one of those systems. And even if you cannot make money on NX, you will make money on the mobile app stores. The NX version is just a by-product.

The devkits clearly show that the NX will never have the power to compete with PS4 and X1. It will compete with tablets and smartphones instead which is a very clever move because Nintendo can also sell Zelda on Appstores with hundreds of millions of potential customers. At least this is my prediction.

Nintendo already said it will not run Android and Apple will never license iOS. Would be a dumb thing to use Android for this because it would create a lot of overhead that costs a significant amount of the raw power the nvidia-chip has to offer.

What did I just freaking read?  There's not a currently available iOS or Android device under the sun that could run Skyrim...well just Skyrim, much less the enhanced edition.  Same goes for Zelda.  And Nintendo?  Using Android or iOS?  Why, pray tell, would they EVER use such inefficient OSs when they have ample experience making their own?  There's no evidence for anything you just said!

Just a piece of advice, that was what PSP and PSVita were, handhelds to play home consoles on the go. So yes, if PSVita have a sucessor it would be able to play a game on the level of PS3/X360 skyrim on it. In fact Uncharted on PSVita is very much comparable to PS3 version considering the differences between hardwares and usage.

I guess you are blissfully ignoring Zelda reveal on Wii.

But if the Switch is at par or better than Wii U (which I expect), running original Skyrim should be fine. If it could the new Zelda, than Skyrim is feasible.

But I highly doubt they will port the remaster to Switch, it seems too resource intensive based on PC requirements. The original Skyrim is the same game and perhaps it can push higher graphics settings than 7th gen.

They can call it "Skyrim Remaster" anyway, as long as they change 3 polygons in it. It won't be exactly the same as the PS3/Xbox 360 Skyrim. Not necessarily better or more beautiful, just a bit different and "reworked" to make it run on the NS. It will surely be far from the PS4/One Skyrim remaster, but they care mainly about the name and image here.

Did Nintendo already confirm that it won't run Android? I don't remember reading that and i have been reading a lot of NS threads lately. I would have thought they would be running a custom android version on NS.

Do you have a source?