Understanding the fundamentals of rummy is necessary in order to enjoy Rummy Pro APK to the fullest. With the use of a standard deck of cards, two or more playersreal cash rummy usually try to form sets and sequences. A sequence is made up of three or more consecutive cards of the same suit, whereas a set is made up of three or four cards of the same rank but different suits. At the conclusion of their turn, each player discards one card after drawing cards from the discard pile or the stockpile.