Yes, you need iTunes for any iPod.
Yes, you can put apps on your iPod Nano 5th generation. Games for the iPod Nano can be downloaded from the iTunes store. You will need to click on the arrow next to the game and click on wheel games.
They might need to be formatted to the iPod standard. Try going to Advanced on the iTunes menu and click Create iPod version
You need the latest iTunes there is
Do you want to transfer your iPod nano library to a second iPod? If yes, then you need to run an app called CopyTrans, and transfer all your iPod music to iTunes, then sync your second iPod. On the link section is the URL address of this app :) You need iTunes to upload music to iPod Nano, drag your music into iTunes, plug in your iPod to computer, then iTunes will detect it automatically, and then sync iPod, done.
because you need Itunes
No. The iPod Nano 5th generation is not discontinued maybe some of the stores of where you live just need to restock them. Or just search Google for more help.
iTunes App Store has 2 different categories of games. The majority of their games are for the iPod touch. But if your iPod has a clickwheel (the scrolling wheel), then you need to go to the section of the iTunes app store that has clickwheel games and it will tell you which generation and model of iPod will be allowed to use the games
Amazon has what you need. Depending on what type of generation of iPod Nano you have, you will want to check whether the car charger is compatible with your iPod.
You need to go onto itunes and double click the title
Yes. But you need to purchase them from the iTunes store. Make sure you have enough memory on your iPod nano so the game can be put on and make sure you have enough on your iTunes account to purchase the game
The first generation ipod nano can play music only. So, you just can copy videos onto 1G nano, as memory storage. If you want to play MV onto 1G nano, you need to extract audio from the video.