I have no idea what they talked about, but at least it gives an idea of the look and feel of the game.
NintendObserver’s select content on Inazuma Eleven Ares for Nintendo Switch.
And first ever gameplay. The franchise is coming to Nintendo Switch.
There's still pretty much nothing announced on the game for the West, even though they confirmed its localization a long time ago.
Basically it's an armband that links real-life with in-game activities.
A parallel sequel to the original Inazuma Eleven game. I don't think they've officially confirmed this for 3DS yet.