Today i discover a app for collecting digital football sticker. You can open packs with cards init. These card you can trade or glue in to your album.
Here is the link to the online album:
https://paninistickeralbum.fifa.com/game/flash
I have the ios app version where you can scan qr promo codes.
With this video you can redeem 100 free packs. Simply scan the promo codes.