User blog comment:Dragonjet/KC3改/@comment-162.224.148.113-20150727060326/@comment-26091666-20150727081850

Once you have refreshed your API key and provided that you can clearly see your API key at the uppermost part of the KC3 Kai's frame (where it tells you need to get developer's console up), you need to make sure that under developer's console you need to go into the very last button or "KanColle" for the viewer to work properly.