Steer clear of the Discard Pile. Picking up too many cards from the discard pile can also help your opponents guess which cards you might need, so rummy game app apkit's important to avoid doing so. A number of sophisticated strategies can be used by players who want to get an advantage over their rivals in the game of rummy. Counting cards is an advanced tactic that entails keeping track of which cards have been played and which ones are still available.