Noun Clauses is a free Android application developed by GanGuide and categorized under Education and Reference. The app is designed to help users learn about noun clauses in a quick and easy way. It covers various topics such as object position, subject position, preposition, tense agreement in noun clauses, subjunctive mood, and wh-/how- questions.

The app provides a clear overview of noun clauses in two parts: Basic and Advanced Grammar. The Basic Grammar section explains the basics of noun clauses, while the Advanced Grammar section covers more complex topics. The app also includes examples and exercises to help users practice their knowledge. Overall, Noun Clauses is an excellent app for anyone looking to improve their understanding of noun clauses in English.