At last, smartphones running the Nokia-led Symbian S60 OS have a native Twitter application. And a very slick one at that.

Gravity is supported on phones running S60 version 3, including my own Nokia E71, as well as the latest touch-friendly S60 version 5, which powers the Nokia 5800 (aka the Tube) and the upcoming N97.

The app supports a host of features, including…