One Touch Drawing Puzzle smart

This puzzle game is one that I am sure many of you have seen before.
The rules are simple, but it is actually an extremely deep game that requires some serious thinking to solve.
It's perfect for exercising your brain with some simple and fun puzzle solving!

How to play:
It's super easy to play!
Draw the figure with one continuous stroke!
There are plenty of stages with lots of variety!
-An arrowed line must be drawn along the corresponding direction.
-A numbered line must be drawn in the corresponding turn.
-A Blue line must be drawn twice.
-You can zoom the figure by pinching the screen.

IQ TEST MODE:
Complete 5 random puzzles in 5 minutes to raise your IQ (in-game score)!
This mode is perfect for when you have only a few minutes to kill, and can be played over and over again!

All for free:
Get hints for and see answers to puzzles you are having trouble with, all for free!