I'm honestly surprised the Yakuza games are even available in China.
If I remember, there isn't technically suppose to be gaming console in China too.
So piracy and PC and Mobage are the main thing.
With Piracy and the specific Numbered website as one of the biggest source, even though they lost a lawsuit against
But the Yakuza/triad theme is popular in Asia, look at A better Tomorrow starring Chow Yun Fat(He wasn't suppose to be in it to begin with, and wasn't even a main character, but a side chara)