Foursquare just launched a native app on Palm, joining the iPhone, Blackberry, and Android OS. Nokia users don’t have any apps for Symbian or Maemo, so we have to rely on the mobile site instead. Fortunately, a developer named Chris B has written on his blog that he started work on a Maemo app for the Nokia N900 using Foursquare’s public API.

If you haven’t heard of Foursquare, several analysts predicted that it will be this year’s Twitter. Check this page from their website to learn more about the service.

At its current state, Chris says BarrioSquare is still “an alpha version, not quite stable and polished enough for release yet.” There are many things on his to-do list but he wrote down what is currently implemented:

• Sign in using OAuth
• Get nearby venues based on the location of the device
• Search for venue nearby based on keywords
• Get basic venue details
• Basic check-in for a venue

Here are some screenshots from the alpha version:

I know it looks rough right now, but I’m definitely going to keep a close eye on the development of BarrioSquare. Chris is looking for people who are interested in collaborating to create this app, so let him know on Twitter @pablohoneyNYC, or use the contact page on his blog. I could definitely use a native Foursquare app for my Nokia N900. Do you feel the same way?