It will come on October 2.
The Official website for the Hacka Doll´s Anime has shown a new trailer for this Anime.
The story center on the Hacka Doll App, who filters the interest of it´s user depending on what they like. Be either Boy Bands,Anime, Manga, Cosplay, Etc.
The three girls are the personification of the Hacka Doll App: entertainment AI and main navigator Hacka Doll #1 (Miyu Takagi) ;the anime expert Hacka Doll #2 (Kaya Okuno) ; the knowledgeable otaku Hacka Doll #3 (Nanami Yamashita)