I built android-use[1] using LLM. It is pretty good at self healing due to the "loop", it constantly checks if the current step is actually a progress or regress and then determines next step. And the thing is nothing is explicitly coded, just a nudge in the prompts.

1. clickclickclick - A framework to let local LLMs control your android phone (https://github.com/BandarLabs/clickclickclick)