The latest iOS 7 beta makes two significant changes to non-Retina iPads’ handling of apps with iPhone/iPod-specific interfaces. Previously, non-Retina iPads displayed iPhone/iPod apps at a classic 480x320 resolution, upscaling them with a “2X” button to a larger, chunky-looking 960x640 window. On a non-Retina iPad 2 or iPad mini running iOS 7, the apps are now displayed at the larger size by default, but use the higher-resolution…
