All the currently available Promo Cards in Pokemon TCG Pocket are listed below, as well as how you get them. These promo cards are also each numbered in-game for ease of categorisation, and are labelled as part of the "Promo-A" set (with later sets presumably listed as "Promo-B" and so on).

Pokemon TCG Pocket’s Potion is one of the useful item cards in the early game, and here’s how you can get it for free.

There are over 200 cards available to collect, battle, and build a deck with in Pokémon TCG Pocket. These cards range from gen 1 to gen 8, with a small handful of Pokémon from each generation of Pokémon,