Those Sword and Shield expansions aren't coming until later this year, but for now you have a ton of Ateliergames to sift through as well as a few quirky additions like Sir Eatsalot. The 3DS is amazingly hosting a new addition to its eShop: a rarity.
It's still slow going for the Switch eShop, but expect 2020 to really start to ramp up very soon. Nintendo has no intention of slowing down their "30-40 games per week" cadence, and we just need that holiday malaise to pass us by. The break was nice: now it's business time.