This is definitely not suitable for work.
As much as it sounds like a joke, there really is an iPhone sex toy. Thanks to the touch-screen technology, there's a heck of a lot more that can be done entertainment wise than on less-tech phones. The "Rub My..." web application can be downloaded for some dirty entertainment.
This is really quite crude, but basically, the 'game' if you will, lets users touch a woman's most intimate parts. The girls is to virtually practice pleasuring a woman.
If you must see it, check out the product page, but I, like ShinyShiny, can't get myself to print the name.
Check it out for yourself by following the source link.