You are about to download and install the 3.97.4 apk
(update: Aug 29,2018) file for Android: is a free and useful app:
Package Name: com.duolingo
File Name: com.duolingo-3.97.4-apk.plus.apk
APK.PLUS only share the original and apk installer for APK WITHOUT ANY cheat, crack, unlimited gold patch or other modifications.
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