The MERE EXISTENCE of this game. The mere existence, my friends.
How about the fact that it's coming to North America and Europe?
In the trailer, we get "There is a huge contradiction in your argument," from Wright and then "Mr Wright... I think we may have been making a horrible mistake," from Layton. Holy crud, am I actually watching fiction's two most over-the-top truth-revealers calling each other out?
TGS trailer: Layton and Phoenix both pointing dramatically at the screen, together. It is awesomeness to the highest degree.
The ability to Object to puzzles. Just the idea of calling someone out for giving you a purposefully unsolvable puzzle and refusing to play by their rules sounds really empowering, especially if you have experience with being frustrated with a riddle because the person who gave said riddle mangled the instructions.