Marbles is a free Android game developed by Martin Stofcik. The game is a simple puzzle game where players have to line up the same marbles in vertical, horizontal, and diagonal lines. Players can move one marble to a place where there is a possible path. If five marbles of the same color are lined up in a line, they will disappear. If the player is unable to line up five same marbles in a turn, three new marbles will appear.

The game is easy to understand and play, perfect for those who love puzzle games. The graphics and sound effects are simple but pleasing to the eye and ear. The game is addictive and can keep you engaged for hours. Overall, Marbles is an excellent game for those who enjoy puzzle games and want to pass the time with something simple yet engaging.