Yes
You can't downgrade an IOS on your iPod Touch.
You can't downgrade IOS!
No. You must restore to Downgrade the Firmware!
No, an iPod Nano cannot have apps. Only the iPhone and iPod Touch can have apps.
you dont
All iPod apps are from iTunes.
I have never heard any way to downgrade software.
yes it can.. it only has the apps that came with the ipod but you cannot download apps like you can with the ipod touch.
You can't get apps for an iPod nano :(
iPod apps are made to play on an iPod and will not play on a computer.
You cannot downgrade an iPod touch with with another iPod touch's shsh blobs because the shsh blob is unique to that device. Think of it as your DNA is unique nobody can be exactly like you.
Only the iPod Touch will run apps. The iPod Nano will not run apps.