Why is this iphone App not available here yet

This Iphone APp is not here yet but hopefully they will bring it to Delaware as it is sweeping Houston. It’s a new iPhone/iPad APP developed by TedTV, Inc. for Houston’s Voice! You can now create a video Stinger! for any of the many great & original programs on houstonsvoice. Sting someone! & Get Stung! A fresh new way of word-of-mouth marketing. Using the Stinger APP, find a great show, click, “Sting,” and record yourself saying something great about that show. Hit send & your Stinger appears on the houstonsvoice.com website and as a pop up video, pre-roll or post-roll throughout the page. You might even see your Stinger on local TV! Download the free app using the link above!
Watch the :30 spot
http://itunes.apple.com/us/app/stinger/id516319415?mt=8&ls=1