If your answer is no, you need to start thinking about why not!
Some interesting and important smartphone website stats:
We can create two variations of a mobile phone website.
Either a secondary website just for mobile phone, or a "responsive" website, which will redraw depending on the device that it is viewed on.
The second "responsive" method will eliminate any chance of Google penalising your search rankings due to replicated content, and give only one set of content for you to keep track of for editing purposes.
With that said, as we live and breath Search engine optimisation, and mobile phone website we create will have minimal impact on your search rankings!