If it's your turn, you can just click the orange "Mah Jongg" button above your tiles.


If you want to call a discard for Mah Jongg, you can either:

  • Click "Call", select "Mah Jongg", click "OK".  
  • Or just click the orange "Mah Jongg" button above your tiles
  • Or press M on your keyboard


Caution:  if this is not a valid Mah Jongg, your hand will be called dead and you will not be allowed to continue playing in this game.