I think the demo was pretty cool, lit asf for about the first 5-7 mins or so, but then it kinda just died. Very short demo tbh but aye, they got what everyone was hyped for (Ash-Greninja) so I'm am pleased physically and mentally now, thanks Nintendo.
In all honesty, I liked the demo alot, it showcased not only new Pokemon, but the new changes that Gamefreak made to make the game feel alot more alive and more fun overall. Team Skull is a little too much with their overly done arm/hand motions lol, but it's fine with me. The implemented chart to see a Pokemon's stat change is pretty dope too, nice to have for those who want to be competitive but aren't really good yet or people who just can't remember stuff. Z-moves aren't that bad like most people said they would be (too kiddish) I felt like it was a little overdone, but it's bad*ss overall. Pokedex Rotom is a another huge for me, totally love the fact that he's on the bottom screen blinking every few seconds or so, better than just having a normal Pokedex.
Also for the FPS, old3ds users can't blame Nintendo/Gamefreak for that like cmon .-. It's an old3ds which has outdated hardware. Time to switch up and upgrade. Anyways, super smooth on my N3DS and everything just looks great (graphics)