How to run ngCoradova github App?

I was just exploring the ng-coradova for ionic and came accross this, I'm not getting how to run this App in mobile to test the device Api's

Here is what i did.

1. Cloned and moved to WIP-coradovaReady-new branch
2. Went into the demo folder
3. did ionic platform add android
4. then ionic build android

The Apk was generated but no functionalities worked when I installed it in phone.

Can anyone pls help or guide If I'm missing anything

chrome remote debugging shows empty screen