The 형사사법포털 application provides users with a convenient way to access criminal justice information without needing to visit relevant institutions in person. This free Android app offers a variety of features, including case inquiries, fine payment history, and notification letter checks. Users can also apply for various civil complaints and certifications from the prosecutor's office, Ministry of Justice, and courts.

In addition to these functions, the app provides support resources for crime victims, allowing users to find relevant support programs based on their situations. The My KICS feature enables users to track the status of their applications and manage their case lists. Access to certain services requires user verification, and the app includes security measures to protect personal data, with optional camera permissions for specific functions.