Note: Fire TV devices are not fully compatible with all Android apps - some games and apps may not work as intended.
ニコブラウザ（ニコニコ動画再生アプリ） is an Apk android app that was developed by bayou. It belongs to the Video Players & Editors genre. The latest version of is version 6.4 and the it requires 4.0 to run it. If your Firestick runs on a higher android version than this, you have nothing to worry about.