A:AnswerYes during the redemption screen you can send it to someone else.
If you didn’t do that you can also send the card code.
The card is no associated to your Apple account until redeemed at Apple.
A:AnswerNo google n apple use different codes for each country. So if u purchase a google or apple card in the us n tried to use it there its not gonna work.
A:AnswerNo.
You cannot use a gift card for Apple Pay tap-to-pay.
You can only redeem an Apple gift card to your Apple account and use it for Apple services or Apple Store purchases.