[Rangi42]

"Chat stories" with "comic-book inspired" young-adult plots, made to be read on mobile phones... Sounds like they've reinvented Japanese cell phone novels[1]. Sci-fi/fantasy YA plots are also common to light novels [2].

[1] https://en.wikipedia.org/wiki/Cell_phone_novel [2] https://en.wikipedia.org/wiki/Light_novel