The Game Boy Color is a handheld game console developed and manufactured by Nintendo, released across 1998-1999. It is the successor of the Game Boy and continued in the Game Boy family. A total of 3 main series Pokémon games were released for this console, bringing us the second generation of Pokémon. These titles introduced a lot of new stuff and mechanics.
Here is the list of the available tools for editing second generation Pokémon games.