Keitai Denjuu Telefang (translated as Mobile Phone Monster Telefang) is an obscure Japanese monster-collecting game where monsters (called Denjuu) are called via cell phone. Unfortunately infamous for being pirated as "Pokémon Diamond" (not to be confused with the actual Pokémon Diamond) and "Pokémon Jade".
Pictured here are unused borders for the Super Game Boy was programmed and fully functional in the game, but unused. Power Version and Speed Version each have different borders: Power has Crypto and Angios, and a D-Shot phone in the center, with the Telefang logo on bottom. The Speed border is similar, but with different colors and with Fungus and Gymnos instead.