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 Muslim Calendar:
Muslim-Calendar.com (MC) is your one-stop website to get Muslim events for your region in the US. Enter your zipcode in the settings and find events posted by our admin or any other admin from an organization near you. You can also use MC to get events for cities you travel to. Muslim-Calendar.com is also a free event publicity tool for anyone e.g., masajid or organization event organizers. Click on "Add an Event" to add your events. Once your event has been added,we will publicize it to subscribers of that area including numerous yahoogroups. Contact us for more information, visit www.muslim-calendar.com