SameBoy is a user friendly, powerful and open source Game Boy, Game
Boy Color and Super Game Boy emulator.  SameBoy is extremely accurate
and includes a wide range of powerful debugging features, making
it ideal for both casual players and developers.  In addition to
accuracy and developer capabilities, SameBoy has all the features
one would expect from an emulator from save states to scaling
filters.

WWW: https://sameboy.github.io/