GSE Smart IPTV is an app which allows users to stream IPTV content onto their device. To use the app, you must first download it to your device. The app is available for Apple, Windows, or Android devices. Once the app is downloaded, you will need to insert the URL of the IPTV content along with your login username and password. Once you have done this, you should be able to begin streaming your IPTV content.