Success in 334 Rummy depends on your ability to identify important card combinations. An important combination to watch out for is a trio or quartet of identically ranked cards. game app download apkIn 334 Rummy, sets are advantageous because they are simpler to form & require fewer cards to complete than runs. It is crucial to be aware of when sets can form in your hand and to focus on gathering cards that will finish these combinations. Three or more consecutive cards of the same suit form a run, which is another important combination to identify.