Worth mentioning Termux too, which works without rooting. As such it won’t give ...

Worth mentioning Termux too, which works without rooting. As such it won’t give full control over the phone, but worth sharing the knowledge that you can install a working Linux environment on Android straight from the Play Store.

I use mine to run youtube-dl to download audio only versions of YouTube (I like long interviews, talks etc), save data and can listen with screen off.