How do I install apps on a Google TV or Android TV
Search in the Apple TV app - Apple Support
LG TV - How to Install/Delete Apps on My LG Smart TV
How to Find Apps on a Samsung Smart TV
LG TV - How to Download Smart Apps
Mossberg: The Apple TV Gets Smart - Vox
Apple TV Apps (1/5): App Store and Apple Built-in Apps
Review: Apple TV brings iPhone-like apps to the big screen
DittyTV Now Available on LG Smart TVs - DittyTV