In the most current AppWorld versions, "gifting" was indeed removed. The only way you could do this would be, I suppose, to change the payment details on your friends BB ID to your credit card, conduct the purchase, and then change their payment details back to whatever they had before.
A painful way to accomplish it, yes...but it is what it is.
Occam's Razor nearly always applies when troubleshooting technology issues!
New to the Community? Click here and also here for helpful guidance. Also please click here for additional helpful information to guide you as you proceed. I always recommend that you treat your BlackBerry like any other computing device, including using a regular backup schedule...click here for an article with instructions. If anyone has been helpful to you, please show your appreciation by clicking the button. Need a reference to BB10 OS/SR versions? Click here. Need a specific BB10 AutoLoader? Send me a private message.