Professor Layton and Ace Attorney

Want Professor Layton Vs Phoenix Wright? Tell Capcom
So do you guys want that newly unveiled crossover epic to make its way to Europe and North America? According to Capcom, you’re going to have to beg for it.
According to Capcom, the international release of Professor Layton vs Phoenix Wright isn’t as guaranteed as you might imagine. In fact, the company wants its loyal fans to comment on their Capcom Unity page in order to “demand” that the crossover reaches North America and Europe. For now, Capcom states that the game has been announced “only for Japan”.

More here.

Looks like you'll have to peach for it.