Without the need for real cards or other players nearby, users can play Rummy whenever they'd like using the Royal Rummy APK mobile application. The game beermoneyis more popular and accessible to mobile users looking for card game entertainment because of its digital format. Knowing What Sets and Runs Mean. A run is a collection 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.