First of all, I think there’s no visibility into save states. You save and load, but there’s no list of states you can pick from.
Secondly, I think it would be great to be able to rsync save states to a centralized server, so I can continue progress on other retropies. Central server might also be a Google Drive account, Dropbox and so on.
both of these are retroarch issues IMO. although i suppose cloud syncing could perhaps be achieved by scripts at the retropie side. i SWEAR i saw someone on either the retropie or retroarch side talking about achieving this very thing recently, but i can’t find it 🙁