I think that you can, but I'm pretty sure you would have to do it on iTunes Store which is on your computer.
Go to the iTunes store on your computer and click redeem, open the gift cards category. Enter the code on the back of the gift card. The from your iPod you can download the app or search it in the iTunes store from the computer and Sync your iPod afterwards.
No, there is no app store on the computer. All apps can be browsed through on iTunes.
At the store
no
u need a mac computer to open the mac app store
go to the app store located on your ipod touch or on itunes store on your computer
yes i am almost positive you can!
In the iTunes or App Store apps and you can purchase an iTunes gift card from mtcgame. They have the best prices
To add app store credits, open the App Store on your device and scroll down to your account profile. Tap on "Redeem Gift Card or Code," then enter the code from your gift card or credit. If you received the code via email, you can also use the "Redeem" option to enter it directly. Once added, the credits will be available for your purchases in the app store.
Wi-Fi: Connect to a wireless connection> Touch the app store app.> Then the app store is up! PC (personal Computer): Download and install iTunes> go to store and click on the app store.
Yes, you will be able to make purchases from both the App & Music store.