I have an Amazon Drive/Prime photos unlimited account to store all the crazy amounts of photos and 4K videos my wife an I record with our phones and I can access them all ok on phones and tablets but haven't figured out a way to do it on my TV. I have a Nexus player, Chromecast, a TV with chromecast ultra built in, and Nvidia Shield (on the way from amazon in a day or so). Anyone know a way to do this?
Chromecast them from your phone/tablet. I doubt their app has a built-in option like the Google Photos app but you should be able to mirror the screen.