In general it works good in games for Amazon AppStore (smartphones, tablets) but I don’t know if on Fire TV too because I don’t have this device so I can’t test it… Unfortunately I can’t give you any guarantee that it works on Fire TV 
In general it works good in games for Amazon AppStore (smartphones, tablets) but I don’t know if on Fire TV too because I don’t have this device so I can’t test it… Unfortunately I can’t give you any guarantee that it works on Fire TV