1. Mahjong Masters: This group name can make everyone feel like they are participating in a large-scale international competition, adding a bit of tension and atmosphere.
2. Mahjong Crazy Club: This group name gives people a sense of freedom and unrestraint, which makes everyone feel that they can fully display their mahjong skills here.
3. Mahjong Dreamers: This group name can remind people of their own mahjong dreams, and can inspire everyone's love and enthusiasm for mahjong.