I read this thread about 6 months ago and was then hesitating about jailbreaking my FireStick. I've finally done it. And now I can confirm that it indeed gives extra access to some extent. It gave me more option in comparison with the ordinary usage. I can now view premium content without paying the price, there are interesting games that now are totally free. Here are some apps that you'll benefit with jailbroken firestick - https://www.firesticktricks.com/best-apps-for-jailbroken-firestick.html.