What Is Lego Pokémon Smart Play? For adult Pokémon fans who still enjoy Lego, Smart Play adds an interactive layer beyond just display. If Lego and Pokémon maintain the app, Smart Play could have real staying power. — YouTube comment on the Lego Pokémon Smart Play reveal trailerWhat To WatchAugust 1: Smart Play sets hit the shelves. Expansion sets: If the launch line performs well, more Pokémon sets with Smart Play compatibility are likely.