Nintendo Japan has revealed 3 new Pokémon Nintendo 3DS themes: Pair Art Sets (ペアアートセット) and Pokémon Amie Substitute (ポケパルレのみがわり). The set themes cost 300yen while the Amie theme costs 200yen. All themes are available for purchase as of July 27th, 2016 on the Japanese Nintendo 3DS eShop store.
Pair Art Sets (ペアアートセット) - Latios and Latias / Sirknight and Ellade