Lightstreamer takes care of the transport of your data updates across the internet and to various kinds of clients.
So, you have to provide the data updates to Lightstreamer Server through a proper server-side interface and you have to integrate Lightstreamer client libraries into your front-end application to manage the received data.
If the above is what you expected, you could try downloading Lightstreamer and running the
tutorial to have an idea of how Lightstreamer can be used.