Hallmark, Food Network, and Game Show Network

Yes. The streaming services that offer Hallmark Channel include YouTube TV, DIRECTV STREAM (add-on), Sling TV (add-on), Philo, Fubo, and Frndly TV.
Hallmark Channel has an app, but you’ll need to subscribe to a streaming provider to view the shows.
Yes. The streaming services that offer Food Network include YouTube TV, Hulu + Live TV, DIRECTV STREAM, Sling TV, Philo, Fubo, and discovery+. You can also stream select Food Network shows on Max.
Food Network has an app, but you’ll need to subscribe to a streaming provider to view the shows. 

The streaming services that offer Game Show Network include YouTube TV, DIRECTV STREAM, Philo, Fubo, and Frndly TV.

Game Show Network has an app, but you’ll need to subscribe to a streaming provider to view the shows.