free gift card

Last week Icame across this site where they are giving away Google PLay gift cards. To get Google Play Gift card,and follow the instructions. You’ll be able to get your gift card immediately. This offer is expiring soon so take advantage of it right away feel free to contac me

I heard from one of my friend that giving free gift card is a good way to make money with CPA. How do i give a free gift card ? any one have some pointers? or any sample websites which does that ? any other ideas for CPA ?