Company Shanghai HanSheng Info-Tech Co., Ltd created these great apps:
Pop Chinese I, Pop Chinese I HD, Learn Chinese-Hello HSK 4, Tone Exercise - 西游汉语乐园, Learn Chinese-Hello HSK 5, 西游汉语乐园, Learn Chinese-Hello HSK 3, Learn Chinese-Hello HSK 6, Learn Chinese-Hello HSK 1, Learn Chinese-Hello HSK 2, Learn Chinese/Mandarin-Hello Words, Learn Chinese/Mandarin-Hello Daily II, Learn Chinese/Mandarin-Hello Words(Daily), Learn Chinese / Mandarin-Hello Words (Business), Learn Chinese/Mandarin-HSK Level 1 Words, Learn Chinese/Mandarin-HSK Level 2 Words, Learn Chinese/Mandarin-HSK Level 3 Words, Learn Chinese/Mandarin-HSK Level 4 Words, Learn Chinese/Mandarin-HSK Level 5 Words, Learn Chinese/Mandarin-HSK Level 6 Words, 汉语语音助教—正音万里行(汉语声调、拼音、发音、口语), Learn Chinese/Mandarin-Hello Daily III, Learn Chinese/Mandarin-Hello Daily I, YepChinese, Learn Mandarin Chinese with Audio Podcast, HSK Mock Test - for Chinese proficiency test, China Campus—Study Abroad in China, Study in SHU——Welcome international students !, COP—China Opportunity Platform, CCN Consultant, and others..