This guide working well in IOS, **but fail in android**. Getting error `ReferenceError: Can't find variable: Proxy`. When I install 'proxy-polyfill' , I get another error. <img width="540" alt="qq20181122-160445 2x" src="https://user-images.githubusercontent.com/30715186/48889323-6307bf00-ee70-11e8-9df9-78eb678f62cd.png">
This guide working well in IOS, but fail in android.
Getting error
ReferenceError: Can't find variable: Proxy.When I install 'proxy-polyfill' , I get another error.