User Activity

I miss Oculus shop let buy as gift “Dlc” or “App labs” and send to friends as the normal oculus main software can. Thanks
I have the doubt of how the money can be used to refer friends. I think I understand that it cannot be used with games on sale. My question is if for € 30, for example, if I buy something for € 20, is it considered used up, or I have € 10 available f...