It’s simple! You can do it in just three steps: 
Step 1 - Download the yuu App from the Apple App Store or Google Play Store
Step 2 - Click "Register"
Step 3 - Follow the steps to register 
That's it – you're all set to earn yuu Points and redeem them for great offers and rewards.
You can also join yuu using your WeChat App, or through the yuu website at www.yuurewards.com.