Technically, every single card used in Pokmon TCG Pocket is exclusive to the app, because the HP, moves, and other stats are unique
While the Virus still lets the turn player destroy their opponents' field and hand Monsters with 1500 ATK or more (no doubt useful in such a fast format), the opponent now gets a two-turn shield from any battle or effect damage for free
I use an app called Dex TCG, which works really well, but a spreadsheet will do the same job if you're diligent enough
Unless otherwise stated, each defender creature can only block one attacker
The game board offers a premium fabric surface that allows cards to easily slide across, non-stitched edges to avoid cards getting caught when playing, a fabric hinge eliminating gaps in the board and built-in magnet to minimize noise during gameplay