Security Researchers have given a thumbs up to Android 4.1 Jelly Bean for implementing the ASLR - Address Space Layout Randomization. In layman's terms what this means is a Hacker will not be able to take control of the device very easily because the memory locations for the library, stack and heap will be randomized thus making it very difficult for them to crack. You can read the complete details here https://blog.duosecurity.com/2012/07...elly-bean-4-1/

Hopefully, iOS and Windows 8 Mobile version will implement the same.