PiyoReversi is a free Android game developed by STUDIO-K. It is a reversi game that features cute chicks and high functionality, with an authentic AI that can provide a challenge for players of all levels.

The game has 20 levels of AI difficulty, allowing beginners and advanced players alike to enjoy the game. Players can choose to play against the AI or another player, although the game does not have network play capabilities. The game also features marks that indicate where chicks can be placed, making it easy for beginners to play. Additionally, there is a "Hint" button that can provide recommended moves for players.

PiyoReversi also has a game record analysis function that can analyze all moves, find bad hands, and evaluate the game. The results of the analysis are displayed on a graph, allowing players to easily see which move was bad. The game record can also be copied to the clipboard and linked with other apps.

Overall, PiyoReversi is a cute and functional reversi game that can provide hours of entertainment for players of all skill levels.