I personally also think it's too difficult, haha+! Thank you very much for the feedback, especially 'Lower the required accuracy.' That's a very interesting point. If we plan to make improvements after the voting period ends, I will definitely take your feedback into consideration.

Thank you for your comment. ><

I'm using a method where I compare the drawn line against the original to check if their points are sufficiently close. I'm not memorizing the gesture of the shape at all, but I am thinking about trying that approach in my next project.

Thank you for your comment. ^^