To set up sdk, you should call getInstance method with your specific details
public class MyApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
final ClientInfo info = ClientInfo.newBuilder()
.addUrl("http://yourvpnbackend.com") // add urls for api calls
.carrierId("carrier id") // set your carrier id
.build();
final UnifiedSDK sdk = UnifiedSDK.getInstance(info);
}
}