German Conversation

Invalid date

New: Version 1.7:
- Fix bugs make user unable to check answer

Version 1.6.2: Hot fix notification sound issue

Version 1.6.1:
- Support Android 8.0 (Oreo)
- Fix bugs

Version 1.5.1: Hot fix
- Ability to change text size
- Copy and translate the whole lesson with Google Translate
- Copy and send the whole lesson's text to other apps
- Save the translation
- Copy and send a phrase (multiple words selection)
- Note and save your own word's/phrases definition
- Bookmark words/phrases

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