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 Zuqiu Mao:
-- How fast could you click in ten seconds? -- Now you can discover your speed just in iCrazyClick! And it's free!You can compete with your family and friends to have fun!You can know how many persons you beat in history!-- You will like it!!! --Crazy click speed surprised by yourself! Extreme speed of finger potential energy! Lovely sun face with smile and cry!Cute bamboo dragonfly of your childhood!Happy music you will love it!-- How to play? --Click start to start the game.Click the sun with smile face to play game.Click the sun as fast as you can in 10 seconds.Get the score of your click. Luckily, you are in top ten!Enjoy it and Have fun!-- Share your speed --You could share your extreme speed in Facebook and Twitter! See your screenshot there!