Check out GB Enhanced, a potential Gameboy emulator.
GB-Enhanced
License(s): Free Version
System(s): Game Boy, Game Boy Color
OS Supported: Windows
GBA, GBC, NDS, 3DS, N64, SNES, GameCube, Wii Emulators on Windows, MacOS, Android, iOS
KiGB is the first emulator of the Game Boy series which support many different platforms like Windows – Linux – MS-DOS and even Mac.
mGBA was born in April 2013. From that day to now, games can be run smoothly without having problems.