1/ you have to import account holding the NFTs you are willing to giveaway to Xact Wallet (on iOS or Android)
2/ Go to https://zapp.xact.ac/ and scan the QR Code displayed with this account, using Xact Wallet "Connect to a dApp" tile
3/ Authorize login to Zapp with Xact Wallet
4/ Your NFTs will appear on the screen, from there, you will be able to click on "Give this NFT" and choose a supply in order to create a QR code for giving the NFT supply selected. Confirm in order to send your NFTs to an escrow account.
5/ Authorize this operation with Xact Wallet
6/ Wait a little bit, and your QR Code is generated.
7/ Copy/paste this QR Code
Receivers will just have to flash it with their Xact Wallet in order to receive tokens.
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Note 1: for now, a receiver could receive only 1 time from a same QR Code so he can not takes all for him...
Note 2: receivers need at least 1 HBAR to cover all fees (association of token)
https://twitter.com/XactZapp/status/1451978341343547400?s=20