If you are looking for the official game files rather than a generic archive, it is available on major digital platforms: : Available for $9.99 at Steam.
While it markets itself as an RPG, the gameplay primarily focuses on classic pinball mechanics with a fantasy twist: BRAVE.PINBALL.rar
: A "Value Set" including an APK was previously featured on DLsite. If you are looking for the official game
: You control Brave Fol and his companions to defeat monsters and eventually the Demon Dragon King. BRAVE.PINBALL.rar