Yes
chek
mmm you cant download wifi but you can use wifi
Nope, you just need wifi to download it.
You cant get free wifi for your ipod touch. You have to get a wifi router.
Yes. Every iPod touch has built in WiFi.
The iPod touch is set up for WiFi from the factory. If you WiFi is available, your iPod should pick it up. Go to www.apple.com to troubleshoot.
No, you cannot get internet on your ipod touch without a wifi connection.
Imessage can have go over wifi for iPod touch
Yes, but only via Wifi ! You have to connect your iPod Touch to a wifi network, via the Settings of the iPod
Only if the app you're trying to download is larger then 50 MB.
To turn off wifi on an iPod Touch you tap Settings --> wifi --> turn slider to "off"
Yes you can download apps to them from itunes on your computer (then transfer them) or straight to the ipod touch using a wifi connection.