Japanese players of Pokémon Art Academy (ポケモンアートアカデミー) can download a Gengar template from September 13th, 2014 until October 14th, 2014. Players can also participate in a special Pokémon Daisuki Club contest called Actually Scary? Pokémon (本当は怖い?ポケモン) between September 13th, 2014 and October 19th, 2014 where they can submit their Ghost Pokémon drawings onto Miiverse and selected drawings will be showcased on the official site.


Source: http://www.pokemon.jp/special/kowapoke/artacademy/