Level-5 just uploaded a bunch of gameplay videos for Professor Layton vs Ace Attorney (which sold +130k copies last week!). I don't think those have been posted yet, so I thought I'd share them :

First is the prologue : clickey here!
Second video is taken from the 'Adventure' part of the game, with Layton and Luke solving some puzzles and meeting Mahone : clickey here and here ! (By the way, why are the two videos the same, even though they got a different title? Silliconera says something about 'Autopilot puzzles'... what's that supposed to mean? I feel like I'm missing something here...)
Then, you have two more video, showing you Phoenix in court : clickey here and here!

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Thanks for the links. I guess they accidentally uploaded the same video twice.

The first video blurs out the solution to the puzzle, the second one doesn't.