Rummy game development involves creating a digital platform where players can enjoy the popular card game of Rummy online. It typically includes designing intuitive user interfaces, developing robust game logic, integrating multiplayer functionalities, ensuring smooth gameplay experience across various devices and platforms, implementing secure payment gateways for transactions, incorporating social features for player engagement, and adhering to legal regulations related to online gaming. Through effective game development, developers aim to provide an immersive and enjoyable Rummy experience for players while maintaining high standards of security and fairness.