Love that pretty app switching that Apple employs on the big iPad screens? Well, with , this might be coming to the iPhone as well. A leaked video, allegedly showcasing a developer preview version of Apple's next mobile operating system version has appeared on , running on an .

In it, you can see the app switcher adopting a more iPad-style layout by fitting four active app snapshots on one display at a time, as opposed to the current one. In addition, there is an apparent lock type functionality that prevents you from swiping to close an app that you don't want to be accidentally ...