Mastermind, developed by Ewy go, is a free puzzle game available on the Android platform. The game aims to guess the secret code, which is a sequence of colored pins. After each guess, the player receives hints to improve their guess. The hints are either white or black, where white indicates the right color but at the wrong position, and black indicates the right color at the right position. However, the hint pins sequence is not in order with the guess pins, so the player needs to be careful not to be fooled.

The game is easy to play and suitable for all ages. It provides a challenging and entertaining experience to the players. With its simple and user-friendly interface, the game guarantees hours of fun and excitement. Overall, Mastermind is an excellent choice for puzzle lovers who want to test their guessing skills and enjoy a fun gaming experience.