Use APKPure App
Get S M Concept old version APK for Android
एसएमसी: जहां स्कूल और अभिभावक छात्रों के बेहतर भविष्य के लिए मिलकर काम करते हैं
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