These days, rummy is more than just a game; it's a cultural phenomenon that keeps changing as new formats and variations appear to accommodate shifting player tastes. Rummy is esrummy mobile app downloadsentially a game in which players use a standard deck of cards to form sets and runs. The goal is straightforward: before the opposition does, players must combine their cards into legitimate combinations. A standard game starts with a draw pile made up of the remaining cards after each player is dealt a certain number of cards, typically seven or ten.