How to mirror iPod Touch 4th-gen to TV?
Mirroring iPod Touch 4th Gen Completely (homescreen and games) !!

If you are jailbroken, then you can go into iFile and go to the directory:
(/var/mobile/Library/Preferences)
Then go to the plist named: (com.apple.springboard.plist) Open the plist up with the Property List Viewer and scroll down until you find the line labelled TVOutDiabled and turn that switch to "off". The Line underneath that will have "TVOutOrientation", tap on this line and change it's value to "1" instead of "0" Now quit out of iFile on your iOS device and you should be good to go.



This tutorial is only for mirroring your device with a cable (such as 30Pin to VGA, or other cables like 30Pin to HDMI)



You can also try editing the .plist file with a program such as iFunbox or Anytrans but I can't garantee that it would work.