A new episode of Capcom TV just wrapped up a short while ago. During the stream, quite a bit of footage from the game was shown, including a look at Ema Skye and more.
Vid with start of gameplay:
https://www.youtube.com/embed/4-T535FrAOY?start=6057
Via: http://nintendoeverything.com/ace-attorney-6-footage-shows-ema-skye-and-more/