yes u can! as long as u have a bank account.
Yes of course..thats why they gave it to you in the first place.!!
Dont buy it, download an app with wallpapers
The apple store!
Once you buy an app, you can use it as much as you want.
No it does not cost money unless you buy an app that costs money. If it does cost money you only have to pay for it the one time you get it from the app store.
Yes.
they will need to buy it.
All you have to do is just click buy and it takes money from the card
Just to buy the app.
You have to buy them with money or no other way
Absolutely NOTHING!
dont really work but yes