Rummy + APKEryod Soft Rummy + 1.4.16 download. HappyModYes, you can use jokers in a sequence. A sequence in which a Joker is used is called an impure sequence. Use the Jokers you have to your advantage to win faster. But remember that you must have at least one sequence without a Joker (Pure Sequence) in order to win the game. How Many Cards Can a Sequence Have? A sequence consists of a group of