davetansley, It's clear to me now that owning just a single #retrohandheld is not realistic. It's more sensible to own ALL of them.
But how do you seamlessly move between them, keeping your saves and states?
Enter "Syncthing": https://syncthing.net/
Syncthing is available just about everywhere and keeps folders in sync between devices. I've just spent a few days getting this configured on my devices and it works (mostly) great!
Read on for some tips...