Look for ubigi, worldwide e-sim for fixed periods of time

If you are inside, the GPS location might not be found. If happing outside, it could be because of a bad configuration of the systems settings.

Or use vaultwarden to have the convenience of syncing your data to a personal server or computer and have passkeys.

You can already put your PC games on romm and your saves. You just download the game in gog and put it in romm in the windows or Linux platform (I think there is one for mac games also). If you already have romm installed, it might be easier to use it than to have a second service installed.

If the file doesn’t exceed 2 GB, you can use this : https://lufi.ethibox.fr/ Files are encrypted and cannot be seen by the owner of the website and the share can only go up to 30 days. It is recommended by Framasoft, the ones behind peertube.