The latest handset maker to pick up Google's Android OS and run with it is Sony Ericsson. The company has unveiled its Xperia X10 smartphone, the first of a planned range of Android handsets from the company.
It's due out in Q1 next year, and runs Android 1.6 - a puzzling decision, given that the first handset running Android 2.0 - Motorola's Droid - goes on sale this week.
Even so, Sony Ericsson has followed in Motorola and HTC's footsteps by creating its own custom user interface that sits on top of Android. This one's called UX, and includes a couple of Sony Ericsson's own applications.