A free drawing program to make your own sketches

[salem_m_s2021 (salem)]

I want Better drawing

I made a drawing application that is https://community.kodular.io/t/a-free-drawing-program-to-make-your-own-sketches/45263 But I have two basic problems First, the drawing is not smooth I merged some circles inside it and I still see it not smooth 1 - If the user is quick to move his hand (The points become far apart)