The new collection is yet another move by Apple to increase the discoverability of apps in the App Store. For instance, searches in the App Store were altered to compensate for misspellings, making it easier for users to find what they could be looking for. At WWDC, the company also announced that the App Store would be getting a new "Explore" tab, trending searches and related searches in iOS 8.
In the market for an iPhone? Here's a breakdown of all the currently shipping iPhones from Apple.