1) to send the gift, click on the handshake at the lower right corner, choose the person and the gift and click donate
2) to ask for a gift, you must click on the handshake at the lower right corner, choose the person and the gift and click ask
3) to send gifts and request gifts can be no more than 5 times a day
4) to accept a gift or respond to a request, click on the envelope icon on the right side in the lobby