Style Savvy: Styling Star is the latest installment in the Style Savvy series, released in December 25.
It's compatible with several amiibo, some including the amiibo from the Animal crossing, Kirby and Splatoon series. They can unlock Nintendo themed designs and elements, other amiibo can unlock an element and a design.
An example of the Mario pattern and design
An example of the Peach pattern and design
An example of a Splatoon pattern and design
An example of an Animal Crossing pattern and design