BoothMate is a tablet and desktop application that allows you to quickly search your glossaries while you're in the booth.
No Internet connection is required.

Once you're done creating your glossaries for a conference, just open BoothMate while still connected to the Internet, and it will automatically sync the glossaries.

Take a look at the BoothMate screencast to learn more.

The BoothMate app has been discontinued for the time being as it requires too much updates to function properly on recent operating systems.
I am currently evaluating the best options for bringing it back.