Not emulated in MAME [HANDHELD] Nintendo Game Boy Game
World Heroes 2 Jet © 1995 Takara Company, Limited.
Export release. Game developed in Japan. For more information about the game itself, please see the original Japanese release entry; "Nettou World Heroes 2 Jet [Model DMG-AWJJ-JPN]
You can found here some information proper to this version only.