Take up Rummy. You can open the game & begin playing rummy on your mobile device once the installation is finished. The rules of 777 Rummy are comparable to those of other traditrummymarsional rummy games, but there are some changes that make the gameplay even more thrilling & difficult. Usually, two to four players participate in this game, and your goal is to form runs & sets of cards with your hand. A run 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.