Understanding Roz Rummy: A Complete Guide Roz Rummy is an engaging card game that blends strategy, skill, & a little bit of luck. Two to six players can participate in the game, which is usually played with two decks of cards,rummy east.apk including jokers. A set number of cards—typically 13—are dealt to each player, with the remaining cards making up the draw pile. The aim is to create legitimate sets & sequences, which are card combinations that satisfy particular requirements outlined in the game's regulations. A run of three or more consecutive cards of the same suit is called a sequence, whereas a valid set is made up of three or four cards of the same rank but different suits.