iOS 7 has been available to the public for less than two months, but that doesn’t mean that some folks aren’t already thinking up iOS 8 concepts.
Looking at it, it’s really nothing amazing. That’s not to say it’s poorly-done. It’s just that the artist used the same icons and rearranged them in a way that he liked. Personally, the new Homescreen seems like a mess. That said, it my work well as a combination of Notification Center and Control Center, but definitely not a Homescreen. Take a look at the concept below (click on thumbnail to view full-sized image):