Download the Neon app on Samsung TV

Press the home button on the remote to access the smart hub.
remote
 
From the TV's Home screen, navigate to and select APPS
apps
 
Then select the Search icon in the top-right corner. 
search
 
 
Enter the app name:  NEON 
neon
 
 
Select the App.
You will see detailed information about the app. From here, select Install.