“…Unless anchored in the L2 acquisition theory, the learning of language integrating technologies will be less effective (González-Lloret, 2017b;González-Lloret & Ortega, 2014;Ziegler, 2016). Additionally, due to the nature of L2 writing and the classroom complexities of present study, big-size and mixed-ability students, it would also yield greater potentials to employ the Collaborative Writing (CW) approach, a joint authorship of text throughout the stages of writing that results in the joint responsibility and possession of the text among the learners (Nguyen, 2020;Storch, 2019). Secondly, the majority of the abovementioned studies drew on computer and Web-based software and available storybooks with a dearth of studies using a smartphone and its apps necessary for orchestrating the DST.…”