Cool!
I hope someone can change that homescreen wallpaper. Just put it in plain black like when the original iPhone was released. Saves battery too.
You kinda wish iOS had a launcher like Nova Prime. Mainly for the ability to change the icons pack. The flat design icons just doesn't look as good as Forstall's.
Just make it look like this -
^ That's exactly how I arrange my icons in all of my phones for the last 10 years. 4x4 grid but only 4x3. Never have a last line of apps to have room to swipe to next page. Black wallpaper because I have image retention on my LGs.
Black wallpaper over OLED and classic icons pack would make X homescreens look even better. Saves battery, doesn't obscure if it's a picture, and gives that floating effect. That default X wallpaper looks hideous.
Very difficult to match the iOS7 icons with any current wallpaper since the colors are all over the place. So plain black wallpaper since it matches up with any color the best.