You first have to download a torrent of the version of firmware you want, and then you can install it onto your iPod touch
http://ipodtouchtricks.net/ipod-touch-tricks/voip-support-on-ipod-touch-2g-confirmed/ according to this site i guess you can
There is no such thing as 'installing' an iPod Touch.
No, you must jailbreak and get cydia to be able to download an emulator.
no because the ipod touch 4 is a newer version
you need to have the version it requires you can download this from itunes
You can install the Bump app that is made for the iPhone and iPod Touch. There isn't an iPad version yet.
If you can't access apps on the iPod Touch, then you should try updating the software version of your iPod Touch to the latest version.
You can only get ipod games on an ipod nano or ipod classic. You can get apps on an ipod touch
no
No, you cannot. The iPod Touch games can only be played on an iPod Touch.
You can install free text messaging apps, but you have to pay for minutes to call people on the iPod Touch.