New version in English 3in1:
https://play.google.com/store/apps/details?id=com.english3in1.app&hl=en&gl=US
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This app is no more supports.
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1800 Grammar Tests is a free app and it has 1925 English Grammar questions. Each test contains 10 questions.
You can take the tests in auto-score mode which marks the correct answer automatically, or test mode which gives you the answers after you've finished all ten questions.

- Learn English grammar on your Android
- Can Test English Grammar in offline mode
- Quiz your knowledge with random questions, but not repeated
- Bring your understanding of the language to a new level