No, but the Apple iPod touch does. If I were you, then I would save up money and get the iPod touch. Its also faster.
No, you can't have a password on iPod nano 6th generation, sadly.
Unfortunately, Pandora is streamed from the Internet, and iPod Nano's do not have Wi-Fi. Pandora is downloaded from the AppStore, and is only available on iPhone, iPod Touch, and iPad.
the new ipod nano is 6th generation
No. There are no mini apps for iPod nano 6th gen
No, it does not
NO
yes there is
No.
no
The iPod Nano (6th generation) does not play video.
You can get it from amazon, i think it is the cheapest