Call in sick and unplug the phone! The third installment of the award-winning Mahjong series lets you choose from three different play modes, create tile sets and backdrops, make layouts to share, and chat with players using in-game messaging.
Most popular community and official game content for the past week.  (?)
What does popular mean?
It means the content you're seeing has been rated up more than it has been rated down for the given time period.