A number of actions in the game can be controlled using keyboard shortcuts or gestures, which can significantly increase the speed of play.
KEYBOARD SHORTCUTS
SORTING
r = Sort tiles by Rank
s = Sort tiles by Suit
CHARLESTON
SPACE BAR = put 3 rightmost tiles into the pass box
p or ENTER = Pass
c = Continue Charleston
ESC = Stop Charleston
0, 1 , 2 or 3 = Number of tiles for Courtesy Pass
GAME
c = Call a discarded tile
i or SPACE BAR = Ignore a discarded tile
SPACE BAR = Discard the right-most tile in your rack
p = Pause the timer
m = Declare Mahjong
PHONE AND TABLET GESTURES
To IGNORE a discard SWIPE DOWN from any of the tiles in your hand.