Apple’s App Store redesign in iOS 11 is paying off for developers, with a new study from Sensor Tower (via TechCrunch) revealing that apps landing in the featured spots on the new App Store can see a boost in downloads by as much as 800 percent. The study analyzed data from Sept. 2017 to the present finding that the median U.S. iPhone downloads for apps that appeared in the “Game of the Day” spot increased by 802 percent during the…