Indian rummy, traditional rummy, and even variants like Gin Rummy or Kalooki are among the game formats available to players. The whole gaming experience is also improved by the social features that many apps includesavera results, which let users communicate, interact, and create communities. It's becoming more and more crucial for players to know what to look for in a quality app as the market for rummy apps expands, so they can enjoy their favorite card game to the fullest. Must-Have Features for a Rummy App. A number of important features can greatly improve the gaming experience, so players should take these into account when choosing a rummy app.