A free program for Android, by Qrscanner.
The free draw line puzzle game, Flows Free, has great logic, simple graphics, and many levels to keep you playing and develop your brain. You have to connect the dots in order to solve the puzzles. But be careful, the pipe will not break if you connect them in a wrong way.
The more you play, the more you learn and discover. With each level, you will find a way to solve it.
You can play the game offline and have fun with it.
The game is optimized for Android phones and tablets.
You can play the game on your Android device with or without an Internet connection.