Samsung Galaxy S4 to be launched in april 2013?

Samsung is preparing the Galaxy S IV for an April 2013 launch, and it’s said that the new handset will come with S Pen functionality right out of the box.
It’s rumored that the Galaxy S IV will come with a 5-inch 1080p AMOLED display, a quad-core Exynos 5440 chip, a 13-megapixel rear auto-focus camera, and will feature a slightly thicker 9.2mm body.