A free program for Android, by notnull.ro.
The game has different levels of difficulty, depending on the number of colors you selected when the game starts: very easy – you selected the minimum number of colors, hard – you selected the maximum number of colors.
How to play
Start the game with a path on the board that starts in the top-left corner. Make your first move and follow the rules of the game.
Make a path to the bottom-right corner and score a new bubble in the same way as before.
Undo your last move and try again.
If you made a mistake and moved the bubble on the wrong square, you can only undo the last move.