Roll Book is a simple roll book application available for Android users. Developed by GapMok Kim, it falls under the Business & Productivity category and is completely free to use.

The application is designed to help users keep track of attendance and manage student records. With its user-friendly interface, Roll Book is easy to use and navigate. Users can quickly add student information and mark attendance with just a few taps.

Overall, Roll Book is a fast and easy solution for managing attendance and student records. If you're looking for a simple and efficient roll book application, Roll Book is definitely worth trying out.