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/257569
OR https://7techgirl.com/cid/257569
. IP WebCam - Acid is a House & Home android app developed by Screen Mirroring and Cast Smart TV Lab.. The latest version is 2.5 and the it requires a 4.1 android version to run it. Use an android phone as a webcam, turns your phone into a network camera, and view your camera on anywhere. Transforms old smartphones into home security system, guarding and monitoring your house, pet cam, baby monitor, home security cameras.. IP WebCam was released 4 years ago, and is available for Free.