Play store for android tv knows that DIRECTV Stream app exist. : r/DirectvStream
now forbids Fire TV apps from directly launching content within other streaming apps
DIRECTV Mobile App - Download To Your Favorite Device
Watch KTLA on Roku, Apple TV, Fire TV, TV
An early release of DIRECTV NOW available on the Roku platform
25 Hidden Roku Tips and Tricks for Streaming Success
I made a spreadsheet of all the TV Everywhere apps and if they're on the major four devices ( Fire TV, Apple TV, Roku, Xbox One.) : r/cordcutters
Streaming Devices Compared: Roku vs Apple TV vs Chromecast vs Fire Stick
Apple TV app now available on DirecTV Stream devices - 9to5Mac
DIRECTV Customers Can Now Watch on Google TV™ and Other Android TV™ OS Devices