(it is a mobile site).
You can copy this link right to your mobile browser with QR-code above. Alternatively you can use the following short URL: http://bit.ly/igPCBR
It is cloud based implementation. Mashup saves data in Google Fusion tables and uses forums from Disqus.
P.S. related links:
City forums - mashup combines places from Foursquare and cloud forums from Disqus.
Geo chat - web chat with geo locations