Download the app, sign up with your email address, and make sure 'NQARJG' is added on sign-up. Shop for $30+ on any of the supported shops to unlock the $200 in SG tokens.
Sign up with a referral code by using the link, or add the referral code in the app after signing up. The reward is $40 in STMX if you get a Gold Membership, $450 for Platinum, $1000 for Diamond.
