The fuck are you talking about? Doing it safely is extremely easy and already solved: have the user be root.

This is about remote control. People who think Apple/Google/Microsoft will just pass on the reigns of that remote control are dangerously naïve.

Apple has locked down whole classes of third-party utilities for its mobile system and Google is copying them as we speak. We are slowing progress at great cost by letting them lock-in and rent seek.