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 Mind Blown Apps Ltd.:
***** Suitable for ALL iPhones/iPod Touches!***** Mind Blown Apps brings you our Stupidity Test, packed full of trick questions, activities and things to challenge your intellect and knowledge. Think twice before you select your answers and make you've read it multiple times, it may not seem what it looks like! This game is great for both your mates and family! Watch your friends get tricked as they attempt to beat it! The game will automatically record and display your best time completing the test, so you can show off to your mates! Once you've learnt the played through all the questions and answers, the fun isn't over there, then it becomes a game of speed who can complete it the fastest. So get practising! Developed by Michael Paffey