After four years of iPhones, jailbreaking etc I decided to move over to Android .. so if you own a Note2 this may help you a little, btw guides like this do get outdated pretty fast ..
Accessoires
General Setup
* Upgrade the Keyboard and the Camera to Android 4.2 http://forum.xda-developers.com/showthread.php?t=1966302
https://play.google.com/store/apps/details?id=com.keramidas.TitaniumBackup&hl=en
Good Optional Software
Good Music Software
Recommended Games
Btw you can use a Sony PS3 Dualshock controller with the Note2 ..google it ..
Other Tips