To get the Pokemon TCG Pocket Mew card, as mentioned above, you need to complete the Kanto Pokedex, which means getting at least one of every of the original 150 Pokemon in the game. Once you do so, an option will come up in your "missions" tab to complete the quest and reward you with the Mew card itself, like any other mission reward.

To get Mew in Pokémon TCG Pocket, you'll need to complete the Kanto Pokédex. That means getting all of the original 150 Pokémon. As we said, this may take a while. But it's a fun game – and just look at Mew's face. Worth every minute.

Pokemon TCG Pocket's secret missions are the most difficult in the game, and players deserve better for their efforts than what they're given.