The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From TimeStream Software:
Now explore the beauty of America's most visited National Park, Great Smoky Mountains, on your iPhone and iPod touch. The new "Great Smoky Mountains" Notescast is a powerful trip-planning and in-park resource filled with the information you need and want right at your fingertips, including: * Places to Go * Things to Do * Autumn Drives & Hikes * Camping Information * Picnicking Information * Hiking Information * Wildlife, Waterfalls and Wildflowers * Wildflower Walks * Nature & Science * History & Culture * Things to Know Before You Come * Lodging * Travel Information & Tips * Fees & Reservations * Visitor Centers * Operating Hours & Seasons * Frequently Asked Questions * Contact Us * Emergency Information * No Internet or Wi-Fi Access Required * Works everywhere in Great Smoky Mountains National Park or at home * And More! It's a complete guide to Great Smoky Mountains National Park, and now it's all on your iPhone and iPod touch! Note: No Wi-Fi or Internet access required. Available for use wherever you go and whenever you want, including all throughout Great Smoky Mountains National Park. Specifically formatted for your device, so no web site pinching, zooming or squinting required. If you can receive Internet access on your iPhone while in Great Smoky Mountains National Park and prefer to use the Internet instead of this Notescast, then this Notescast may not be for you. This Notescast does not include maps. The Great Smoky Mountains Notescast is the perfect complement to the Yosemite, Yellowstone, Grand Canyon, Grand Teton, Shenandoah, Walt Disney World, Disneyland, Packing, Wait Times, Hotels, Flight Track, Airfare, Tipulator, Dining, Worldmate, Currency Exchange, Zagats, Guide Book, Guidebook, eReader, eBook, Hotel, Books, Travel, Kindle, nook, iPad and other iPhone Apps.