And for those having download errors/issues, there's an easy fix...move to America.
P.S. CAMMY IS BEST GIRL!!!
Edit: Upgrading characters slows down a bit the higher level you go, if your f2p. If your p2w, well, obviously it's still easy. Going on 2 weeks since game launch, there seems to be ALOT of p2w. But that's ok, go at your own pace. Also...
CAMMY IS STILL BEST GIRL!!!