Use APKPure App
Get Kids Zone English Medium School Barshitakli old version APK for Android
KZEMS : 학교와 학부모가 함께 학생들의 더 나은 미래를 위해 협력하는 곳
Create New For School Release make Sure you make copy of other custom app that way you no need to add anything different copy paste same data from other release but you need to make changes in name of school