Super Real Fishing is a fishing simulation game for the Nintendo Game Boy Color. Gameplay likely involves using virtual fishing equipment, casting lines, and waiting for a bite.  The game would likely include various types of fish, different fishing locations, and possibly some form of progression or reward system.  The developer of this title is currently unknown, but it's a genre that was relatively popular on handheld consoles.

Super Real Fishing (Japan)

Super Gals! Kotobuki Ran 2 (Japan)