1. When another player already have an open pong and draw the 4th tile and decide to add it to create a kong, I see the word "kong" appear for that player, but I dont see which pong becomes a kong.
2. When someone declare a concealed kong from their hand, it would be nice if the kong tiles would be placed face down except for the two middle ones, to remind that this kong is still considered concealed.
3. When a set is revealed, it would be nice if the set would follow the following arrangement rule: if the set is self made (example: self made kong) all tiles are placed vertically and ordered, if the set is made from someone else discard, all the tiles are placed vertically and ordered except for the discarded tile: it is placed horizontally and moved to the left of the set if it was discarded by the player on the left, it is moved to the middle of the set if it was discarded by the player in front, and it is moved to the right of the set if it was discarded by the player to the right.
4. Score list: when a hand finish as a draw, no entries appear in the score table. It should, otherwise there is a mismatch between the number of hands and scoring lines in the table. I play mostly with a minimum score to remove chicken hand; could that have an impact on a draw score (which should be 0 to all)?

Thank you, Dr. B. The feedback is helpful, and some is never thought of by me. I will work on it when I got time.

BTW, I am glad you used list

fixed two bugs:

1. when a player declares riichi, other players cannot see the discarded tile

2. when a player declares extended kong, other players cannot see the fouth tile

pls let me know if it is not fixed