Great work. Really like semi-randomised pieces of art like these. I did something similar a couple of years ago for a background App for Android, while exploring Kotlin, but more based on pre-defined "patterns" instead of shapes. Feel free to take a look ;) Github: https://github.com/ODDBureau/mosayq Android App: https://play.google.com/store/apps/details?id=com.oddbureau....
Having a work iPhone, this is what i most miss from Android: you can compile cute projects like these even if they aren't on the store.
I went back to Android from iPhone for a lot of reasons. This was one of them. :)