Retailers determine whether they want to set up a points scheme on Yoyo, most of the time they do, except for a few franchised outlets.
You will earn 100 points per pound spent. Once you reach the corresponding number of points, you will be use them to claim a points reward and enjoy a free product.
To see which points rewards are available, click on "Points" underneath the QR code on the home page. You will see the number of points you have accrued per retailer and what you can exchange them for.