If you don’t know about the awesome Ares wizard then here’s a quick install guide and walk though. They have awesome support in their forums too. If you know about it then that’s cool. This is as all my videos are aimed at the newer members of the community.
Check out https://ares-project.uk and awesome support forum.
This wizard hold a ton of builds and Video addons, its such an amazing source for literally everything you will ever need on your KODI Device, it has builds suitable for Firestick and any other android or iOS device. Watch the video and check out just how awesome this wizard really is.