Onmyou Taisenki Zeroshiki is a Japanese Game Boy Advance game published by Caravan. The game's title suggests a storyline centered around Onmyou Taisenki, which is likely a Japanese mythology, fantasy, or fighting series.  The exact details of the gameplay would require further research.  Caravan as the publisher suggests a commercial release and suggests a degree of distribution to the market.

Onmyou Taisenki Zeroshiki (J)(Caravan)

Onimusha Tactics (E)(Patience)