April 28, 2013 Robotics;Notes.Frau Koujiro Kona Furugori.Airi Yukifune HTC Windows Phone 8X wallpaper.720×1280 Airi Yukifune and Frau Koujiro anime background Select wallpaper size720×1280 (Galaxy S3, HTC, Sony Xperia)640×1136 (iPhone 5, iPod touch 5)640×960 (iPhone 4, iPod touch 4)