Girl Friend Beta is a Japanese dating simulator designed for iPhone users, offering an immersive experience with over 100 virtual girls, each voiced by unique voice actresses. Players engage in relationship-building by taking their virtual girlfriend on dates, participating in club activities, and attending school events to foster romance and intimacy. The game operates on a free-to-play model, with optional premium services available for purchase.

In addition to relationship dynamics, the game introduces various events, including battles against adversaries. A card-based system enhances gameplay, allowing players to collect cards of different rarities, each with specific attributes impacting gameplay. Players can enhance these cards by participating in part-time jobs within the game, adding another layer of strategy to the overall experience.