Eddies are supremely powerful characters with access to up to 9 abilities. 3 Present abilities (what you start the game with), as well as 3 past and 3 future abilities.
You gain access to Past abilities when you complete the Kingdom of the Sands. You gain your Future abilities when you finish Battlefield.
Once these abilities are unlocked you can swipe to switch to each set. Swipe right to see your Past abilities. Swipe Left to see your Future abilities.