This seems great.

But I didn’t realize that it was “Tested as not working on Android, for reasons unknown.” I wanna get an e-ink Android and this app seemed like a good option if it’s page-turning rather than scrolling.

A writing and drawing with a straight-forward file format, in Löve2D.

It’s a common misconception that dynamic languages inherently have tobe slow. This seems to be a deeply ingrained reflex nowadays. Probablytrained by years of suffering from simplistic implementations, oftenhelped by bad language design decisions.