You'll be better able to decide which cards to pick up and which to discard based on this information, as well as which ones are probably going to be available so you can finoverseas slots in iplish your sets and runs. Jokers are another element of the game to be aware of because you can strategically use them to either block your opponents' attempts to complete sets and runs or to complete them yourself. In Vungo Rummy, you can improve your chances of winning by becoming acutely aware of the cards that are in play & making use of them.
