She built the room and turned the lights on, in a library, for free.
Angel Kuo runs Mission: Mahjong!, a Las Vegas organization whose stated purpose is to create welcoming, thoughtfully designed opportunities to learn, play and connect. It has put mahjong into free Sunday sessions at Las Vegas public libraries, a Monday night open play, and a Friday social at a board game cafe.
Prim was precise about it, because precision is a courtesy: their house style is Vegas style, built on the Hong Kong game with adapted Taiwanese scoring, and the American game is one of several they teach. Her credit was for something harder than any style. Somebody looked at a city with no mahjong habit and decided to build the room and turn the lights on, in a library, for free, on a Sunday.
Written from what the letter said. Read the letter for the whole of it.