Crystal Jade SG is a free Android app developed by Ascentis and falls under the Lifestyle category with a subcategory of Food & Drink. This app allows you to access your Jadeite membership account, view your past transactions, check your JPoints and e-voucher balance, find the nearest store, shop for festive goodies, get the latest updates on promotions and more.

With Crystal Jade SG app, you can conveniently redeem your JPoints and/or e-vouchers through your phone. The app also allows you to make a reservation at your preferred outlet and shop for popular ready-to-eat dim sum and festive goodies. The interface is easy to use and the app is well organized, making it easy to navigate through the various features.

Overall, Crystal Jade SG is a useful app for Jadeite members who want to check their account details, redeem rewards, and stay updated on the latest promotions. It's a great addition to the Crystal Jade experience and definitely worth downloading for those who frequent their outlets.