You can turn closed captions on and off on Amazon tablets from within the Hallmark Movies Now app
Closed captions can be turned on and off while watching
You can turn CC on and off during playback of Hallmark Movies Now content. This can be done by tapping the screen during playback to bring up a CC button in the top right corner. Tap this to turn CCs on and off.
Adjusting Closed Captioning Preferences
When you launch Hallmark Movies Now on your Fire tablet, tap the Three Horizontal Lines in the upper left-hand corner of the screen to open the side-bar menu.
Then tap the Account option in the menu that appears.
Then tap the Closed Captions option within the Settings menu.
From the Closed Captions Preferences menu, you can edit your Closed Caption text, color, and background color
Once you’re finished, tap the back button in the lower left to take you back to the Hallmark Movies Now app.