Question: Are Joker exchanges allowed when playing a concealed hand? Answer: A player is entitled to do a Joker exchange regardless of whether they are playing an exposed or concealed hand. Source: Mah Jongg Made Easy 2024page 23, #1
Question: Can I call a tile if I am playing a Singles and Pairs hand or a grouping such as NEWS, FF or individual tiles such as 123? Answer: You can never call to expose a single tile, single grouping or a pair unless that discarded tile is the one needed to complete Mah Jongg. […]