I love the demos of this module. I just couldn't get it to work under Joomla 3 and one of Rocket Theme's templates.
Everything installed OK, but when you type in a search query, it would appear that nothing happens. Scanning their forums will show that this is a condition that recurs for some people.
I posted multiple times on their forums and didn't get any meaningful help.
I'm a big fan of Rocket Theme's templates, and if you can get this module to work, great!
But I invested way too much time to try to get this to work and was not successful. For that reason and for the very limited support on RT's forums for this particular module, I'm giving it a low rating.