It is free and it is about 7MB in size. It runs fairly quickly, but the content is lacking. So far i've found Apple, Starbucks and All. I'm sure this will all grow with development.
i installed it and tested it yesterday when it was launched. the idea has potential but they launched a Beta app which does not yet produce.
as of now, no one watching MLB will have any clue to download getfugu. of course they will likely see an ad for spongetech.com and if so inclined browse the site on their phone as has been the case nearly all season.