Android dynamic instrumentation
 

I bet you missed this fundamental contribution appeared earlier this year at HiTB conference.

http://www.mulliner.org/android/feed/mulliner_dbi_hitb_kul2013.pdf

let me say that in my opinion it's a really fantastic idea and potentially a revolutionary framework for android hacking.

<suggestion_mode>I wish to really see a tutorial which is using this approach to hack a really complex target</suggestion_mode>

I am working on android platform for my college project.This will be definitely helpful.Thank you sir.