Useful German Grammar application in Google Play!!! It free application and useful for German learners!!!

German Grammar Practice is a helpful educational app for everybody.
This reference book explains German grammar in a comprehensible way and is very useful for learners of German as a foreign language.
Easy to improve your German grammar knowledge with more than 60 German Grammar Lessons.
+More than 10.000 test multiple choice for Verbs, Nouns, Sentences or popular grammar structures in German.