Going to see Harry Potter this weekend? Need something to do before the trailers start playing? If you have an iOS device*, you can now purchase LEGO Harry Potter: Years 1-4 for the iPhone, iPad and iPod Touch. Cost is $4.99. Check out the page on Apple and iTunes for more screenshots and ratings.

* Compatible with iPhone 3GS, iPhone 4, iPod touch (3rd generation), and iPod touch (4th generation). Requires iOS 4.1 or later. iPad requires iOS 4.2 for compatibility.