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/330228
OR https://7techgirl.com/cid/330228
. MX Player Codec (ARMv6) is a Libraries & Demo android app developed by MX Media & Entertainment (formerly J2 Interactive). The latest version is 1.7.39 and the it requires a 2.1 android version to run it. MX Player Codec for ARMv6 CPUs. MX Player - The best way to enjoy your movies. ** IMPORTANT NOTICE: This is a software component for MX Player, therefore, MX Player has to be installed first. MX Player will test your device and show you the best matching Codec automatically if necessary. You do not need to install Codecs unless MX Player asks you to do so.. MX Player Codec (ARMv6) was released 8 years ago, and is available for Free.