Righter is an Android application designed to help users improve their English grammar and vocabulary skills through intuitive learning techniques. The application encourages users to learn from mistakes and strengthen their understanding through continuous practice and interactive quizzes on various grammar topics. The project addresses challenges faced by learners in improving grammar proficiency by providing a user-friendly and engaging mobile platform. The report discusses the application’s objectives, scope, limitations, comparisons with existing systems, and implementation details, along with future enhancements to ensure long-term usability and improvement. Overall, the application promotes effective self-learning and language development through consistent practice and feedback.