At present Android 2.2 is a hot talk all over the world. People always appreciate something new, Android will change the digital world to meet all desire of human being.
You can experience Android 2.2 on your Nexus One phone. But remember that there’s a lot of back-end stuff that’s been optimized, and we’re really just starting to scratch the surface.
You can get a quick review of Android 2.2 watching this YouTube video.
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