Well, as soon as they know it, you will be able to read it in the Tour section above or if you are subscribed to the newsletter, you will receive one with the information you need :)
Good question. I mean at the tour dates there are only two dates - Japan. I am sure LP will play at more than 2 places this year!
Any ideas about Europe?
Read what I said above
How do I sign up for the newsattler?
I have no idea
Apparently the shows they play in august will be a one off so they can continue work on their new album, though this maybe untrue.