EventWebill is one of the mobile applications in Cambodia which is created by Korea Software HRD Center. The purpose of this mobile application is to provide a preferable way for admin in managing events and users information.Besides, EventWeBill also provides a contented way for the user to stay reminding of the upcoming event. Moreover, EventWeBill Integrated with WeBill in Kosign that cooperated with Wing agency to help user pay the bill to the event.