Use APKPure App
Get SDK Reader old version APK for Android
업데이트 버전 : https://play.google.com/store/apps/details?id=com.fub.readersdk
Please download the updated version of this application.
link: https://play.google.com/store/apps/details?id=com.fub.readersdk
SDK Reader app shows current running SDK version on your device. You can also see a timeline with all Android Versions released and also they're API Level.