Grammar English app is developed to improve your English grammar accuracy. Work through the practice tests will help in expanding your knowledge and challenge your mature in common grammar rules.
There are two sections in this app: grammar section (study guide) and practice test section.

Main features:
* Grammar section has 22 grammar rules from basic to advanced with the full explanation of usage notice and also tips & tricks about English grammar.
* Practice test section contains over 5000 test questions divided into different related topics.
* Flashcards style design a very easy to use and friendly GUI.
* Bookmark manager allow keeping track of your progress so that you can go back to specific content later.
* Translation tools and the text-to-speech in-app feature will help in enhancing your pronunciation and vocabularies learning skills.
* The lock screen in-app feature makes the app always on top whenever your phone awakes.
* Check just how much progress you make with the particular statistics after each test.
* +10000 Practice Test with Reading test Sentence test Incorrect Word test Synonyms test.
* Listening feature with +2000 listening samples.

Topic’s content:
* Time
* Question Tags
* Question Words
* Comparison
* Gerunds and Infinitives
* Some or Any
* Much or Many
* For or Since
* Too or Enough
* So or Such
* Few or Little
* Already or Yet 

* Present Simple
* Present Continuous
* Present perfect
* Present Perfect Continuous

* Past Simple
* Past Continuous
* Past Perfect
* Past Perfect Continuous

* Future Simple
* Future Continuous
* Future Perfect
* Future Perfect Continuous

* Articles: A/An/The
* Prepositions Of Place: In At On
* Prepositions Of Time: In At On
* Personal Pronouns - Subject
* Personal Pronouns - Object
* Personal Pronouns - Subject or Object
* Possessive Adjectives
* Possessive Pronouns
* Reflexive Pronouns

This app can also be used as helpful learning material for the TOEFL test IELTS test TOEIC test GRE test GMAT test SAT test as well.