PS4Switch Root Film third trailer Featuring the theme song "Utakata no Hikari." Kadokawa Games has released the third official trailer for Root Film, which features the theme song “Utakata no Hikari” sung by idol group i☆Ris. Root Film is due out for PlayStation 4 and Switch on July 30 in Japan. A western release is also planned via publisher PQube. Read more about the game here, here, here, and here.Watch the trailer below.