yes
Just your friend .. it's called a gift
No. They are not the same but you can buy app store gift cards at gamestop.
Gifting an app means you can purchace and send the app to another iPhone/iPod user. You can also do this with music. To gift an app instead of clicking buy there should be another option called gift this app. Click that and fill in the information needed such as; name, email, message, and send. Your freind will receive the app or music and it will be able to be used on there iPod.
When you "Gift an App" Basically it's self explanatory, you purchase the app and send it to someone and they can download it for free. So really, you give a app as a gift! But if you want to purchase it for yourself as well you will need to buy it again.
Gifting an app means you can purchace and send the app to another iPhone/iPod user. You can also do this with music. To gift an app instead of clicking buy there should be another option called gift this app. Click that and fill in the information needed such as; name, email, message, and send. Your freind will receive the app or music and it will be able to be used on there iPod.Read more: What_does_gift_app_mean
If you got a gift card from someone as a gift,than no... It doesn't cost you.
its like a gift card
no
No, most jailbreak tools are free, however most good apps even on jailbreak app sites cost money. You can't use iTunes gift cards on these, but you can on the app store.
At the store
yes