A:AnswerNo you do not have to join Amazon Prime service for this to work however it does give you access to a lot of content on the device. You can use it to play games, or use apps like Netflix, YouTube, HBO Go, Sling, Plex, and many others.
A:AnswerYes the remote has a home button, back button, play/pause button fast foward button, rewind button, and a menu button it also has a large button which is used to navigate up/down and sideways... also used as a select button when pressed in thd middle hope it helps...
A:AnswerAny firestick can be jailbroken, regardless if you have the alexia voice remote. I was able to jailbreak my firestick with an alexia voice function remote. You don't have to use the voice command function to control everything on your firestick, it is just a version of something like siri, where it will look something up, but not always be able to do everything for you.