The Jian Shu APP could be used to write and publish articles on the phone. Jian Shu was a popular writing and social application that provided many tools and functions for authors to write, share, and socialize. On Jian Shu, authors could create their own personal page to post articles, pictures, videos, and other content. They could also follow other authors, like them, comment on them, and share their articles. The book also provided some writing techniques and suggestions to help the author write better. After installing the simplified book APP on his phone, he would create a personal page and start writing!