One of the icons is copied from the old iOS Game Center icon. Maybe they got it from this package: http://www.iconarchive.com/show/ios7-style-metro-ui-icons-by-

One of the icons is copied from the old iOS Game Center icon. Maybe they got it from this package: http://www.iconarchive.com/show/ios7-style-metro-ui-icons-by-igh0zt/MetroUI-Folder-OS-Game-Center-icon.html http://www.iconarchive.com/show/ios7-style-metro-ui-icons-by...