Amazon Fire stick is a modified version of Android, so you can install Android apps on it. But not all apps might work due to compatibility issues.
https://7techgirl.com/apk/363597
OR https://7techgirl.com/cid/363597
. Unfollowers for Twitter - unfollow is a Social android app developed by Geegle Tech. The latest version is 1.2 and the it requires a 4.2 android version to run it. You can easily check who not follow you back by this app. And easily unfollow them if you want.. Unfollowers was released 4 years ago, and is available for Free.