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/264056
OR https://7techgirl.com/cid/264056
. Video Player - All format video, movie player is a Video Players & Editors android app developed by 9xgeneration. The latest version is 2.7.3 and the it requires a 4.2 android version to run it. The standard media, movie, clip and video player Easy to use, fast and convenient Features: ★ Detect and play all videos in external storage ★ Stream videos online ★ Support subtitle ★ Can play all the most popular video files: AVI, FLV, WMV, 3GP, MKV, MP4, MOV, MPG, WEBM, M4V, RMVB, RM, TS, TP... ★ Smart videos manager: playlists, recent, folders ★ Material design, simple, beautiful ★ Delete, rename, share video and folders. Video Player was released 3 years ago, and is available for Free.