They said mainnet to be launched 20th Jan 2018. Dude!! This is freaking scam i think. No documents, nothing. team doesn't respond at all. I would stay away if I were you.
Main net was 20 jan. launched as planned, everything was communicated over couple of social channels Discord, Twitter, Medium etc.
because some of people has spammed the forum and this thread was tempory closed.
Semux and his team responds on every messages, on as example github and Discord. I had everytime good and quick answer on my questions.
if you don't belive it check out github closed issue list