Adobe took a new strategy to put Flash animations on the iPhone, with the release later this year of Flash Pro CS5 Beta, Adobe will enable any Flash developer to create an iPhone application (.ipa file) and then the developer could send it to Apple for approval.
So it is definitely for Flash games on the iPhone, unfortunately, no Safari plugin to be able to see flash animations on web pages.
If you struggle to find what you want on the App Store, or if you want some suggestions on which free or paid applications-games you should install on your iPhone or iPod Touch, Apptism is for you, check it out: