Good points.
Roomify simplifies video conferencing. Google Hangouts/Skype require users to be part of a network. In many cases users do not want to 'Contact' users in Skype or join Google+. Since the room is just a url, users can bookmark it and always return to the same room.
The pro version will allow premium users to have password protected rooms, and to white label the rooms with their own url. Since this is all web-based the 'Create a room' button could be placed anywhere, on your own site or on a corporate intranet. It is like having your own 'Hangout'. Not affiliated to anyone and not requiring login.
Our technology allows us to have 1,000's of users in a single room. We have built rooms apps too (shared html whiteboard, screen sharing etc). So in the long term we are looking to 'Roomify' all physical rooms. You could teach a class, hold a conference or just hold a meeting like we offer now.
Finally, we are planning a payment system that will allow room owners to charge to attend their room. So teachers and speakers could earn money from their attendees.
