This Sauro arcade game was released under the Recreativos Real S.A. license. The note mentioning a missing speech chip indicates a technical issue that affects audio in the game.  More details are needed to understand the gameplay and original developers. The game's history is limited to the licensing agreement with Recreativos Real S.A., which clarifies only its release and distribution.

Sauro (Recreativos Real S.A. license)

Saulabi Spirits / Jin Saulabi Tu Hon (Korean release of Samurai Shodown II)