Below is a recommendation list for good turn based on the Nintendo 3DS. With the amount of ports and remasters on Nintendo 3DS the first list is new games and the second list of ports/remasters/remakes.

• Bravely Default
• Bravely Second: End Layer
• Fire Emblem Awakening
• Fire Emblem Fates
• Pokemon X/Y
• Shin Megami Tensei IV
• Shin Megami Tensei IV: Apocalypse

Here is the list of ports/remasters/remakes of good turn based rpgs on Nintendo 3DS

• Dragon Quest VII: Fragments of the Forgotten Past
• Dragon Quest VIII: Journey of the Cursed KIng
• Fire Emblem Echoes: Shadows of Valentia
• Mario & Luigi: Bowser’s Inside Story + Bowser Jr.’s Journey
• Pokemon Omega Ruby/Alpha Sapphire
• Radiant Historia: Perfect Chronology
• Tales of the Abyss

This concluded the recommendation list of good turn based rpgs on Nintendo 3DS. If you want to see other systems feel free to check out my recommendation lists of other Good Turn Based RPGs By System and All Time Best Turn Based RPGs