(I don't see an option to reply to your other comment -- I'm guessing it's too deeply nested, so replying here)

>I think if battery/data even becomes a concern, you have already put too much data into config and probably need a database? > Does anyone really care about a couple hundred KB (at most) these days? Or am I underestimating the config size/usage?

I could be wrong but I think this is a concern some mobile developers have. It came from user feedback but we should definitely look into it more.