Read-only feature:

Unlock a character-specific special layered armor set / Have Tsukino read your fortune and receive a random item


Read-only feature:

Unlock the Hunter Sticker Set / Have Tsukino read your fortune and receive a random item

The sticker set is for use in multiplayer missions.

Source: CaJuJu on YouTube (video) / Thanks: Robin64


Read-only feature:

Have Tsukino read your fortune and receive a random item

up to ten times per day.

This feature works with any amiibo (with the possible exception of those that work with its other features).

Source: CaJuJu on YouTube (video) / Thanks: Robin64