Isn't Dropbox or similar programs a solution for this issue? You don't have to do anything after installation, it works cross-device, and you have the history.

Isn't Dropbox or similar programs a solution for this issue? You don't have to do anything after installation, it works cross-device, and you have the history. It doesn't have the "my phone is the server" feature, but neither does it have the never-requested "I just dropped my server in the toilet" feature.