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/401312
OR https://7techgirl.com/cid/401312
. WikiMed - Offline Medical Encyclopedia is a Medical android app developed by Kiwix Team. The latest version is 2020-03 and the it requires a 4.0.3 android version to run it. With 75,000+ medical articles, WikiMed is the largest and most comprehensive collection of health-related articles available in English. It includes content on diseases, medications, anatomy, and sanitation from the famous Wikipedia free encyclopedia. As an encyclopedic medical dictionary, WikiMed is perfect for practicing physicians, as well as medicine and other healthcare students. If you are in the developing world without access to the Internet or on a boat in the middle of nowhere you can now access one of the foremost and up-to-date medical dictionaries, for free. Beware: the app needs 1.65 GB of storage, make sure you have enough space and a solid WiFi connection for download! If you have limited storage, then try Wikimed Mini, the light version of WikiMed!. WikiMed was released 4 years ago, and is available for Free.