If Ubuntu is getting into the mobile platform then it needs to understand a few things, the first and most important is the message are sending out to the world with their world wide litigation against samsung over look and feel. The interface looking like IOS5 will cause you problems, this is Apple territory and as such must stay so.
In a recent post Ubuntu Mobile Phone Concepts on the OMGUbuntu site. concept art for a new Unity style touch interface and this design is very good.
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