Book of Memory: Ra is a captivating puzzle game designed for Android users, featuring a 3×4 grid of hidden cards. Players are challenged to match pairs of symbols including Book, Scarab, Ankh, and Pharaoh by tapping on two cards at a time. If the selected cards match, they disappear, and the player earns points. If not, the cards flip back after a brief 0.7-second delay, testing the player's memory and concentration skills.

The gameplay is straightforward yet highly addictive, making it suitable for both quick gaming sessions and extended play. The objective is to uncover all matching pairs while minimizing the number of moves or time taken. Book of Memory: Ra effectively combines entertainment and mental exercise, providing a fun way to enhance memory skills.