Tenhou / 天鳳
JPN / ENG and FREE Google Chrome add-on available
Over 450K Players and the largest Internet base Mahjong Game. They have a Dan System to move up to higher level tables. The top rank is Tenhoui. Recently, some Tenhoui players have become professional players. It is seen as a path for strong players.
Yes, but only to play on the Houou (highest ranked) table