It's a pub finder for the Cambridge City area (out to Ely at it's furthest), that (currently) is designed for the Android smartphone platform.
It works by getting your GPS location (or using you location via your mobile phone), and accessing a Fusion Tables database (gathered from Google Earth), and doing a little song and dance, then letting you know what pubs are nearby, up to 5 km away (sorry, I know it's metric).
The Football and Real Ale Guide as an Android app
PubCrawler allows you to find craft beer and ales at bars, brewpubs. and stores nearby or at any specified location. Shows detailed site information and member reviews. Send the site to your dialer, navigate to the site, or add your own reviews. Provides all the major functions of the PubCrawler.com site. US/Canada only at present.