Highly Reccomend These Kid Icarus Uprising Kirby Planet Robobot Tomodachi Life All these have lots of content to keep you interested and work with streetpass (via netpass) for user interactivity Uprising also has online severs with Pretendo

Tomodachi Life is S tier

Yo kai watch, all the games are excellent, specially recommend yo kai watch 2 and blasters :)

Super Mario 3D Land The Legend of Zelda: A Link Between Worlds Pokémon Alpha Sapphire/Omega Ruby

boxboy boxboxboy! bye bye boxboy! underrated gems that arent just the game with the rare amiibo