Yes, you can! To subscribe on your Amazon device, please follow the following steps:
1. Launch your Amazon Fire TV and open the search window.
2. Type "Boomerang" and select the app once it appears.
3. Download and install the Boomerang app.
4. Once installation is complete, open the app.
6. Select "Subscribe".
7. Enter your email address and create your password.
8. Click "I Agree, Sign Me Up".
9. Select your subscription type, either annual or monthly, both come with 7 day free trials.
10. Enter your Amazon account password.
11. Choose if you'e like to enable parental controls.
12. You should now be logged in with full access to the Boomerang library!
If you receive an error regarding "One-Click Ordering", navigate to the URL displayed on your screen on any browser to enable this option.