I remember trying the reddit version, and uninstalled on the first full screen ad.
After asking about this on the Lemmy version, got a nice down vote 👉👈
You can install Termux from the F-droid store, which is a Android terminal emulator and Linux environment.
Then install the proot-distro package and you can install stuff like Ubuntu, Debian, Arch...
Find somethingore urgent to do, so you get procrastinated into doing the other thing you were initially procrastinating.