Compatible with iOS 6.0 to 7.1.x
Also try Brightness Activator Pro 2 (iOS 8)
By performing Activator action, Brightness can be adjusted by up and down swipe. Changes to option by the left and right swipe.
Returns to the usual state by carrying out the long hold of a home button or the screen.
When Flipswitch is installed, a function can on/off (If you hold switch, optional display opened).
If Auto-Brightness turned off, brightness saved even if when lock the device.
Configure from Activator settings
Change options in Settings app.
See larger Screenshots below..