GreenCoin is a brand new campaign on campus that empowers and rewards your actions towards sustainability!
Staying green and taking part in selected sustainability activities will enable you to accumulate Coins via your mobile phone, and the Coins can be redeemed for gifts and e-coupons that you can use at facilities on campus!
https://andro.io/app/csogreencoin
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Android app profile
PolyU GreenCoin for Android – Latest Version & Features
by The Hong Kong Polytechnic University
★★★★★
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> 2.2k
Monthly Downloads
~$900
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