One of the biggest trends lately has been foursquare. Part social network part game, foursquare has taken off as of late and many BlackBerry users are getting in on the action. While obvisouly not for everyone, foursquare can be loads of fun as you try to earn points, badges and mayorships and helps you keep up with your friends while you're out and about. The current app is still in beta and not totally perfect, but it does work very well and the foursquare team seems to be hacking away at some good updates. If you're a current forusquare player or just looking to get into the game, the free app is definitely worth checking out. Take a look at the video above for a walkthrough of the current features of the foursquare app for BlackBerry.

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