March 2, 2013 Btooom!.Ryota Sakamoto Samsung GT-i9300 Galaxy S3 wallpaper.720×1280 Ryota Sakamoto anime lock screen wallpaper Select wallpaper size720×1280 (Galaxy S3, HTC, Sony Xperia)640×1136 (iPhone 5, iPod touch 5)640×960 (iPhone 4, iPod touch 4)