great indicator, very useful tool and nice work

 if possible, plz add one more button click by mouse near pen on button ..we can draw by mouse click

Hey, thanks for checking out Simple Pen! Glad it's been useful. Thanks a lot for your suggestion—really appreciate you taking the time to share your thoughts! I’ll keep it in mind for future updates. If you want a custom job, I’d be happy to help—feel free to create a request anytime.

Thanks pro it's worked perfectly 

Muito obrigado pela gratuidade da ferramenta, mas não está funcionando na bolsa do Brasil a "B3", vc poderia corrigir por gentileza.

thankssss dude.. love it

For instance, when I draw on the 15-minute chart and then switch to the 1-hour chart, the drawings disappear. Would it be possible to improve this behavior?