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.
Splice Video Editor is a Video Players & Editors android app developed by CK Infotech. The latest version is 1.0 and the it requires a 4.4 android version to run it. Splice Video is a professional video application with great editing tools With Splice Video, create great videos in just a few clicks. Let its magic operate on your favorite photos and video clips. Splice Video quickly finds the best moments, adds transitions and effects and synchronizes everything to the rhythm of the music. Personalize your story with text, music and more and share it with your friends. Never has the editing been so fast - or so fun. --- Main Features --- ADD PHOTOS VIDEOS Add up to 75 photos and video clips from your gallery, albums, Dropbox,Google Photos, GoPro Plus or a GoPro Quik Key. Splice Video recovers data from GoPro sequences (smiles , faces , voices, laughs, speed, jumps, water, panoramic and still sequences ), analyzes them and finds the best moments. Face and color detection and perfect framing. Choose your own favorite moments with HiLights. SELECTION OF THE VIDEO THEME Choose from 23 video styles, all with transitions and carefully created graphics. Adjust font, filters, and graphics to any video style. CUSTOMIZING YOUR VIDEO Rearranging, trimming and rotating photos and video clips. Customizable story with texts and titles and even with emoticons :) Let Splice Video do his magic with smart cutouts or choose to play your videos in full. Acceleration or slowdown of sequences. Added GPS stickers to show speed.  Automatic activation of audio when voice detection. Choice of cinema format, square or portrait and easy sharing on Instagram or Snapchat. Define the duration of photos and titles - automatic adjustment of cuts and transitions. CHOICE OF THE PERFECT BAND-SOUND Choose from over 100 free songs or select a song from your own collection. MP3, M4A, MP4, MOV, AAC, ALAC, AIFF and WAV formats supported. Adjust the music so that it starts at any point of the song. Splice Video automatically synchronizes transitions to the rhythm of the music.. Splice Video Editor was released 3 years ago, and is available for Free.