[Gameplay] This is a game that requires imagination and creativity. You need to draw lines on the screen to transport the ball into the water pipe.
[Exquisite level design] We will design exquisite levels to give you different game experiences at different levels.
[Appropriate difficulty design] The game is neither too difficult nor too easy, so that you will feel challenged but not frustrated. You will have enough sense of accomplishment even if you pass the level once.