
It depends on what you use it for yes, but I’ve been able to sync it between devices using onedrive or google drive. You could also set a local FTP or SSH where you keep the master file then connect each device to it. I understand your point that you may want an app that just does that for you, all I’m saying is this is an option that I like using.

Actually you may not be too far off. Noticed recently that users don’t have access to their Android>OBB or Data folders anymore through the normal files app. I know there is a workaround but I haven’t been able to get it to work. This may not affect downloading/installing apk’s from other sources, but if you have to manually install the OBB/Data you cannot do that.
I’ve just started a new game in Dragon’s Dogma Dark Arisen on my switch. Surprised at how well it’s held up