hello ,
i am trying to make an android app which will show in a list the live dota2 streamers that are streaming currently and after they click on the list it will redirect to twitch . can you help in how can i get the live streamers data into my android app
The best place to start is the documentation: https://github.com/justintv/Twitch-API
You will find how to call our API and the endpoints available to get the required information for your application. 
There is also mobile deeplinking documentation there, too!