HeChinese iOS Applications
Go to iOS AppStore, seach 'HeChinese' or developer's name: 'Guilin Ouyang', you can find following iOS apps:
1: HeInput: HeInput application.
2: HeCharacters: HeChinese 3 sets of Characters learning, coding.
3: HeBook1: study 300 words, and 300 sentences.
4: HeBook2: study second set of 300 words, and 300 sentences.