The Galaxy Mega 6.3, like any other Android device from Samsung, is pretty easy to root and only requires the use of ODIN to flash a custom kernel. If you are looking for a simple guide to root your Mega, here is a guide that should get the job done for you.
Android Root
iPhone Hacker Geohot releases APK to root Samsung Galaxy S4 Active
Posted by Android Beat on Jul 02, 2013
In May, Jay Freeman aka saurik, founder of Cydia, released Substrate and Winterboard for Android.
Few days back, pod2g, a key member of the evad3rs dev team said that he was so disappointed with iOS 7 features that he was about to switch to Android.