Does Mahjong Khan need to make all the cards?

Mahjong Khan needs to deal with all the cards. In the process of shuffling, you will leave your own unique body odor (sweat, body odor, perfume, etc.). ) on the card and write it down as a mark, which will trick you into touching your back. Such as rings, needles, blades, etc. It is not luck but skill that often wins and often loses. A folk player who has played for many years, he can play games and recognize cards with ordinary cards.