The latest update for the Neopets Companion App has added Terror Mountain's scratchcards!
The "Wheels" button in the bottom navigation bar is now a "Dailies" button. Tapping this will open a small menu where you can select the wheels or scratchcards landing page.
Once you make your way into the Happy Valley kiosk, you can scratch a card in your inventory or purchase a new one for the standard 600NP price. Note that the update notes in the App Store reference an old location of the kiosk:
"Grab a scratchcard and head to the Ice Caves."
Then, instead of tapping on a space, you physically scratch each one to reveal its prize icon. Once you're done, you can return to the kiosk landing page to purchase or scratch another card. Note that the app follows the same opening and closing hours as the on-site kiosk.
According to the App Store summary, this update also includes some behind-the-scenes improvements to performance, as well as some squashing of bugs.
You can download the app through the iOS App Store and Google Play Store. Note that it's intended for main accounts only and requires NeoPass to access your account.
(Note, the store links above may be for US folks only—if you're not automatically redirected, just fire up your app store and search "Neopets companion"!)
Now hopefully they’ll add the other two Scratchcard places, AND the wheel of Monotony soon! 
(And In a low key but probably also for the same purpose as Battledome being faster: Attack on Altador 
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Good job TNT, you doomed us all 
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