ObjectTracking using own Webservice (Android Javascript)

Hi, I need help for my project. I want to make a project like GeoAR sample in Wikitude but in my project I want to do :

1. ObjectTracking using Webserver
2. Get the data (.wto files, name, description as json data) of the object from my Webserver
3. I'm using Android JavaScript SDK 8.10

I have try it a lot but it didn't work