Kero Kero Keroppi no Daibouken (Japan) is a Japanese NES game featuring the popular Sanrio character Keroppi. The game's developer and exact gameplay mechanics need more research.  The title translates to "Kero Kero Keroppi's Great Adventure," suggesting a platforming adventure game or possibly a puzzle game starring Keroppi. It likely features child-friendly gameplay and visuals.

Kero Kero Keroppi no Daibouken (Japan)

Keiba Simulation - Honmei (Japan)