Quote Originally Posted by tinythinker View Post
Plus I thought I heard some devs made it for fun in their spare time and then it was decided to add it to the release version of the game.
I thought they said they'd outsourced it to a company that already made a popular Mahjong game.

It does sound like they should have put a bit more effort into trying to make this a more accessible, it might be a game made in Japan but most of it's player base is outside Japan.