Archie Comics is teaming with Mammoth Media to produce original mobile story content based on the Riverdale, Betty & Veronica and Sabrina The Teenage Witch comic book series.

Delivered through the app Yarn, the short form storytelling will use text messages and video. Adaptations of the Archie Comics’ franchises will premiere today and expand on the classic comic book tales based in Riverdale and Greendale.

Yarn is a micro-storytelling platform that uses text message to tell their tales. The platform features 60 million stories and 8 billion messages read to date. The average user reads 4 times per day for 2 minutes per session and 56 minutes their first week. Users spend 82,000 hours per week reading Yarn stories.