Investigate how Programiz improves the Ace experience on mobile

[...] could an editor not be as fancy as ace but work fine with those utilities like the one that that [Programiz](https://programiz.com/c-programming/online-compiler) website uses? I mean, if it was done, it can be done again.

_Originally posted by @RpxdYTX in https://github.com/integer32llc/rust-playground/issues/846#issuecomment-1250997584_