Yes, Minecraft support will be made available in the near future.
We're working on chat channels. They will be enabled on Enjin Web first, then later in the client.
Avatars will be enabled soon. We'll look into status options.
We're working on a Mumble widget.
Thanks for the report, we'll look into this soon.
Tera support will be added in the next version release.
Try going into settings > accounts and login to Enjin there.
GW2 support is coming very soon.
If you click settings icon > accounts, you can sign out from various IM services.
United States 
