Doesn’t a stock Android installation come with several dozen apps? Do you expect to consent to each one individually?
They could have baked this into the OS, not let you disable it, and not documented it. But instead it’s modular, can be disabled in one tap, and documented.
VSCode with the Vim plugin most of the time. Vim if I’m just editing something small and was already in a terminal.
Every IDE worth trying has Vim mode or a plugin for it, you don’t need to use actual Vim to benefit from it!