A'an Arlanda text Pangkalpinang : ISB Atma Luhur, 2021 | The android-based game tournament registration application was created to improve the performance of online registration in which in the process participants are required to come to the location of the tournament organizer, then wait for the queue, so that in that time span, most of the participants' activities are waiting which results in boredom This is not efficient because the time that can be used for rest or other activities runs out of waiting. From these problems, technology is needed to facilitate participants in registering. The online registration application in this study was designed based on Android and used the Prototype methodology, the Object Oriented Programming (OOP) method. The results obtained from the online registration application is an application that allows the participant registration process to reduce time span, provide game selection, schedules, regulations, criticism and suggestions, and save time. Aplikasi Pendaftaran