Grammaire Française de Base is an Android application developed by Wajdi Kechaou, which falls under the Education & Reference category. This application is a summary of the basic concepts of French grammar, making it an excellent tool for anyone who wants to improve their French language skills.

The application consists of several lessons such as the forms and types of the sentence, the constituents of the sentence, subordination, expansions of the noun, determinants, cause, consequence, and purpose. It also covers the processes of repetition, personal pronouns, reported speech, hypothetical situations, expression of time, and nominalization. In addition, the application also includes a quiz that covers all the lessons.

Overall, this application is a comprehensive and well-organized tool for anyone looking to learn French grammar. The user interface is simple and easy to navigate, and the lessons are well-explained and easy to understand. The inclusion of a quiz is an excellent feature that helps the user to test their knowledge. The application is free, making it accessible to anyone who wants to improve their French language skills.