Samsung Rewards is a reward programme for Samsung members where customers earn Samsung Rewards Points (“Point(s)”) whenever they make a purchase on Samsung Online Shop, or through the Samsung Shop App (except on Education Store or Corporate Employee Store).
As soon as you sign up, you'll enjoy a basic 1% rebate on every of your purchase (In the form of points).

For more details: https://www.samsung.com/hk_en/rewards/.