A free program for Android, by Zabolotnyi Industry.
One Line Connect Puzzles is a free drawing game with many different puzzle levels. Connect all the dots on the board with a single line. The more space you have on the board, the more dots you can connect.
The game starts off easy but can get difficult. Each level has a solution, which you can find by looking at the drawing and then connecting the dots.
There are no wrong answers in this game. If you get stuck, you can ask for help from your friends or the community.
To play the game, just place a line either horizontally or vertically.