A free program for Android, by FinoppAcc.

The application is an educational one that contains an extensive collection of exercises for both beginners and advanced players of chess. Each lesson includes an interactive board, so that you can see how the pieces move on the board and play the game, as well as learn and study the basic concepts of the game.

The program contains over 400 interactive lessons, and it is suitable for both beginners and experienced players. With this app, you can learn the most important openings of the game, develop your opening knowledge, and improve your chess skills. It is suitable for chess players at all levels.