>>47965544Mahjong is a japanese board game which uses sets of tiles to form hands, its similar to poker
it got popular in online circles due to animes such as Saki and Akagi as well as a Japanese trend of Mahjong mangas
It's been gaining a lot of traction lately with the biggest online mahjong platform, Mahjong Soul, having lots of collaborations with big anime franchises such as Kaguya sama, Saki, and Code Geass, its also featured as a mini game in Yakuza
you should learn to play anon it seems hard at first but its actually super fun and very rewarding! Many Phase girls are playing with their fans so you can even play a match against your oshi! Mahjong soul is free to play on your browser and it has a tutorial as well as other guides so you should really check it out!!!