I don't know much about the Android color eInk tablets, so the only 8" (7.8") reader that comes to mind is the PocketBook InkPad Color.
https://pocketbook.ch/en-ch/catalog/...nkpad-color-ch
Available (in the U.S.) at Amazon and NewEgg...
https://www.amazon.com/Pocketbook-In...8-24b2eaf37afa
https://www.newegg.com/pocketbook-in...5007-_-Product