At WWDC, we announced a new Kids category for the App Store in iOS 7. This new category provides parents with a place to find age-appropriate apps for their children. If your app is made specifically for children age 11 or under, you can now choose an age range for your app on the iTunes Connect website. To learn more about creating, submitting, and managing apps for the Kids category, read the iTunes Connect Developer Guide .
The Retina display offers rich detail, vibrant colors, and razor-sharp text. To ensure that your iOS and Mac apps look their best, you’ll need to optimize icons, custom controls, and other artwork. When you submit your app, you should also include high resolution assets for the App Store. Learn more .
Take advantage of new resources for using iCloud Storage APIs in your iOS and OS X apps. The new iCloud Design Guide provides an in-depth look at iCloud Storage APIs, how they work, which ones are best for your apps, and best practices for implementation. And with iCloud Web Tools, you can debug your iOS 6 and OS X Mountain Lion apps by viewing content your app has stored on iCloud. Learn more .