Tokio Senki - Eiyuu Retsuden, a Japanese Game Boy release, is likely a strategy or role-playing game based on its title, suggesting a historical or fantasy setting with military elements. The specifics of its gameplay, story, and mechanics require further research.   The name suggests a focus on military strategy.  Knowing the developer and publisher would add valuable context.

Tokio Senki - Eiyuu Retsuden (Japan)

Tiny Toon Adventures 2 (Japan)