学习普通话
BNR Languages
Learn Chinese Mandarin
iSpeak. Learning Solutions
輕鬆學漢語
Ling Learn Languages
Learn Mandarin Chinese
Zeemish Labs
Drops: 學中文(普通話)
Drops Languages
Chinese Pinyin-Learn Mandarin
longislandicedtea
學中文 | 說中國話
LuvLingua
Learn Chinese Fast: Mandarin
MosaLingua (digiSchool)
Learn Chinese Mandarin Phrases
APPOXIS
學普通話 - 常用普通話會話短句及生字 | 中文翻譯器
Bravolol - Language Learning