Just bought the Tablo

So does the various streaming devices have apps for Tablo?

Yes. Please read it all.

https://www.tablotv.com/how-it-works/

To watch Tablo OTA DVR content on your big screen, you’ll need:

A Smart TV powered by: Roku, or Android TV, or most LG WebOS 2.0 and 3.0 operating systems; OR
A Set-Top-Box/Streaming Media Device: Roku, or Amazon Fire TV, or AppleTV, or Nvidia SHIELD, or Xiaomi MiBox; OR
A Streaming Stick: Roku Stick, or Amazon Fire TV Stick, or a Chromecast dongle (casting from an Android device or Chrome browser); OR
A Gaming System: NVIDIA SHIELD, or XBox One; OR
An HDMI-enabled computer: Tablo web app in Chrome/Safari

Most do

Welcome to the forum John.

Indeed. We’ve got apps for pretty much all of 'em: