Use APKPure App
Get 스네: 함께 만드는 세계관 old version APK for Android
Click More (→) to check the link to download the integrated version of SNE! (This app has been merged with the Snae integrated version and is no longer in service.)
■ Integrated version download link
https://play.google.com/store/apps/details?id=com.universestationery.storinationen