Andora for iOS 8
The Androa iOS 8 theme is flat, but with a twist. The designer delivers a collection of icons that he explains deliver a parallax style to them, with the information about the app sitting behind the main part of the icon. This is an iOS 8 theme you don't want to miss. The Cydia theme includes more than 120 icons.
Andora is $2.00 in Cydia