The Sims 4 Spa Day is available on the EA App. To use The Sims 4 Spa Day, you must have The Sims 4 in your EA App account.The Sims 4 Spa Day: Enjoy Relaxation and Rejuvenation!What is The Sims 4 Spa Day?The Sims 4 Spa Day is a special game pack for the popular life simulation game, The S..