Discarding cards that could form runs or sets may seem counterintuitive, but occasionally it can create new opportunities for more valuable combinationsapk apps. If you draw a card that completes a run with other cards in your hand, for example, even though you have three cards that could form a set, it might be worth giving up the set for the higher-scoring run. It takes practice to think strategically at this level, but it can greatly improve your gameplay.