I was able to add Ricky (and for those of you that want to add Gizmo users to your Jabber rosters, use gizmousername@chat.gizmoproject.com), however the tablet doesn't allow me to use his Gizmo account for making an internet call from RTCOMM. Oh well.

It's possible that the tablet software says "Only users that have Telepathy as their resource should show up as possible people to video call"...

There might yet be a way around this, depending on what Gizmo uses for video calling.