띄어쓰기 체험판 is an educational app developed by 별책 for Android devices. It is part of the 우리말 공부 시리즈 (Our Language Study Series) created by experienced publishing editors based on the Standard Korean Language Dictionary by the National Institute of Korean Language. This app offers a comprehensive collection of exercises and explanations for practicing Korean spacing.

One of the most challenging aspects of Korean grammar is correct spacing, and this app allows users to practice it with their fingertips. Users are presented with spacing exercises and can attempt to space the words using their fingertips. Each exercise comes with a detailed explanation and spacing principles. Users can also focus on incorrect and important exercises for concentrated learning. It's worth noting that all exercises and explanations follow the spacing principles set by the National Institute of Korean Language.