In October 2012, we posted a few images from a concept by an up-and-coming designer called “Rethinking the App Switcher for the iPhone 5." As the name suggested, the concept offered a different take on the then-bottom-loading app switcher.
That designer's name was Sentry, who is now one of the most well-known figures in the jailbreak community, and that concept went on to become Auxo, perhaps one of the most popular tweaks of all time. And yes, folks, a sequel is on the way...