Here is a Preview of Nelisquare which is a application that is currently under development by Tommi Laukkanen and running on the Nokia N900 destined for Maemo and MeeGo devices

I’ve started working on a simple Foursquare client, Nelisquare. It’s written in pure QML and JavaScript and plan is to have it working on the Maemo and MeeGo devices. It should run on Symbian^3 devices as well if really needed.
Here is a video preview of the current pre alpha version of Nelisquare running on Nokia N900:
Source [Substance of Code]