A valid set, for instance, would consist of three aces from various suits. As they plan their moves, players must be able to identify these various hand tyrummy apps all listpes. It can make the difference between winning and losing if you know when to put more emphasis on forming runs than sets. Players can make wise choices regarding their own gameplay by knowing what their opponents might have in their hands based on the cards they discard or pick up. Concentrate on Pure Runs.