Compared to Android app developers, iOS developers have always had it easy since they could always count on Apple using a 3.5-inch screen and a 3:2 aspect ratio for its smartphones. But Apple threw developers a change-up this week with the iPhone 5, which will be the first iPhone to feature a 4-inch screen with a 16:9 aspect ratio. And according to a report from TheNextWeb, many app developers say they’ll have difficulty optimizing their apps for the iPhone 5 by the time it officially launches next week. Read the full story at Boy Genius Report.