The PSN Cards are valid for PSN store only, and this card is to add these funds to your PlayStation Wallet and use it to download games, movies and add-ons legally.
XBOX Live Cards
Xbox Live Cards are only available on Xbox One and Xbox 360, you can play unlimited online multi-player games, stream TV shows and HD movies, communicate with friends and download games Music, Trailers, Demos with them.
Google Play Card
Google Play Cards are the prepaid top up card for Google Play Balance. It can be redeemed to pay for thousands of books, songs, movies, apps, magazines and many more on Google Play store.
iTunes cards are Non-Returnable and Non-Refundable, which can be used for redeemable for apps, games, music, movies, TV shows and more on the iTunes Store, App Store, iBooks Store, and the Mac App Store.