Free download MandarinGo - Learning Mandarin Chinese APK for Android, PC. Latest version is 1.0.9, update at December 19, 2021
MandarinGo - Learning Mandarin Chinese version 1.0.9 is only one variant.
It's a perfect app to prepare for HSK exam! It contains a total of 2500 words from HSK1, HSK2, HSK3,...