How do I install GSE SMART IPTV on an Amazon Firestick?
You have to enable Unknown Sources in the Amazon Firestick's configuration menu. It's under the Settings > System > Developer options. After this procedure, download the APK file from the following link: https://apps.evozi.com/apk-downloader/?id=com.gsetech.smartiptv
You will also need an application to transfer the files. For this operation, adbLink is recommended: http://jocala.com/
Tutorial to transfer files: http://jocala.com/video.html