Linking Boy is a robust Game Boy Advance (GBA) emulator designed for iPhone users, succeeding the popular My Boy! emulator. It features an optimized emulation core that provides fast performance while minimizing power consumption. The app boasts high compatibility with nearly all GBA games, ensuring a seamless gaming experience. Players can enjoy local multiplayer capabilities with up to four participants through Link cable emulation, enhancing the social aspect of gaming. Additionally, the app includes a fast-forward feature that can accelerate gameplay up to 100 times the normal speed, allowing for efficient game progression.

The emulator also replicates original hardware features, offering accurate gyroscope and light sensor emulation, along with rumble support. Users can customize their gaming experience with a highly configurable virtual controller and multiple video filters to enhance graphics. Linking Boy allows players to save and load game states at any point, supports external controllers, and can mirror gameplay on an external display, making it a versatile choice for GBA enthusiasts.