For non-android TV, you need firestick to run the android app in your smart tv, but if you have android TV you can easily install the app without any external USB drive just by following the steps given below:-
- Download Puffin Browser or ES File Explorer from Google play store.
- Go to Puffin browser and enter the URL in the search box right at the top you can also download the apk file from any other browser that is easily available on your smart TV
- Starts downloading and wait for the completion of the downloading process
- Once downloading of APK file is completed, go to the main menu of the puffin browser where you can see the main menu under which click on APK file.
- Click on install button and after the installation process, you are ready with the app on your smart TV for your further use as entertainment, finally at last click on the open button to launch.