German grammar learning for Android

German grammar learning app for android description: a grammar book is too boring and doesnt give you enough feedback? Then have a look at this program.
It is fully usable offline.
You can immediately apply in practice what you have read and youll get feedback instantly.
In all tasks german phrases are used.
There are currently over 6000(20 200 for a task) sentences for the exercises available.
If you do not know a word in your language translations are available from a database.
At the moment the interface and all lessons are translated to german english spanish(beta) french russian arabic (beta) chinesefurthermore you can choose the exercise translation language and these are: french english spanish russian italian arabic turkish persian romanian hungarian greek polish czech dutch korean swedish portuguese danish hindi norwegian slovak vietnamese chinese japanese bulgarian catalan estonian hebrew indonesian latvian lithuanian malay hmong daw thai ukrainian urdu(translations are generated and could be not totally right)topics include: use of articles formation of nouns declensions (nominative genitive dative accusative) pronouns verbs tenses (1000 most used verbs) adjectives adverbs prepositions sentence structure subjunctive passive negationsdepending on the lesson you have to find errors set right words set or find word endings form phrases from existing words correctly push words in correct positions in the sentence(over 150 different tasks in the above groups with a total of 300 tasks)(in app purchase)based on list views sorted topics and subtopics of german grammar are shown.
There are now two modes.
In the first mode you must proceed the lessons sequentially like in a course and in the other mode you can freely choose what you want to do.
(In app purchase)course mode: at the beginning no lesson in the lesson list is available but this will change during the course of the game when you unlock more and more tasks.
If you have successfully completed tasks acc