Truphone today announced the immediate availability of its Truphone Anywhere application for Android-enabled mobile handsets, including T-Mobile’s recently released G1 phone. The application is available now as a download from the Android Market in the UK and the US.

As well as being able to make low-cost international voice calls, Truphone customers can also easily Instant Message their friends across a variety of networks including MSN, Yahoo!, Google Talk and Twitter from within one Android application. Customers can also call friends anywhere in the world on Google Talk for the price of a local call, and similarly will soon will be able to Instant Message and call their friends on Skype.

“We want to make it as easy as possible for people to have conversations with their communities around the world in whatever form they choose,” said Truphone CEO Geraldine Wilson.

She continued: “We passionately believe in devices like the Android and iPhone which offer easy user access to applications through the Android Market and the App Store. The G1 and the entire Android platform is an obvious and important distribution channel for us.”

Truphone is now available on Android, the Apple iPhone, the Apple iPod touch, Blackberry and Nokia devices.