Rockstar's confirmed it's releasing LA Noire in Japan this summer for PS3 and 360. No exact date's been confirmed. It'll feature the English voiceovers with Japanese subs. And that's your lot. Andriasang has Japanese screens and video.
The Team Bondi title releases in the US on May 17 and May 20 in the UK for PS3 and 360. Watch the second gameplay video Rockstar released last night here.