For April, this is for u (since it is built ONLY for the benefits of travellors, or those living in the east), dont waste it https://jewelpreview.changiairport.com/ many slots taken but some of u r not even working (so good to avoid crowd)  I clearly rem some of u even working at Changi too not that i m cheapo, i been hoping to get a wireless Qi Charger, so...... if first time signing /for changi membership, u will get an  exclusive welcome gift, a Changi Rewards Wireless Charger.