The switch is a nice platform for portable gaming, and has many indie game titles. Unfortunately, many are not available in all regions. (-J) means: not available when Japan is set as region in the nintendo store.

• Thimbleweed park https://thimbleweedpark.com/ (-J)
• Into the breach (-J)
• Steamworld dig 2 / スチームワールドディグ２ (+J)
• The messenger / jump'n'run (+J)
• Celeste / jump'n'run (+J)
• Baba is you (-J)
• Vectronom (-J)
• Axiom Verge / jump'n'run (+J)
• Dead cells / jump'n'run (+J)
• Enter the Gungeon (+J)
• Cadence of Hyrule Crypt of the NecroDancer
• Hollow knight