Errr, I'll start then.
1. It would be nice if when you are composing a message, at the top it would say "Message TO XXXXX", currently it says "Message FROM XXXXX", which makes me want to cry, as I already know what nation I am from..... but if you misclick on the list, you are SOL.
(There's 100 that are more important than this one, but I thought I'd bring it up since it's hopefully actually an easy one to deal with.) <3