I analyze the overview of service platform and sequence diagram.

In this diagram, there is mobile application part. Based on network analysis, user can use proper mobile application by time and location.

*Link

https://postechackr-my.sharepoint.com/personal/juhpark_postech_ac_kr/_layouts/15/onedrive.aspx?originalPath=aHR0cHM6Ly9wb3N0ZWNoYWNrci1teS5zaGFyZXBvaW50LmNvbS86ZjovZy9wZXJzb25hbC9qdWhwYXJrX3Bvc3RlY2hfYWNfa3IvRW1jVUZLV0dzRkpMc3hXU21Kc