Pretty sleazy of Amazon to blacklist the app. What's the worst part, they're not just blocking people from future installation. They're wiping out the installation for those who have it already. That's incredibly invasive!
Firestopper fills the bill for the time being.
http://www.aftvnews.com/strong-evidence-that-amazon-has-blacklisted-firestarter-app-by-name-in-latest-fire-tv-update/