If you're preparing for the ENEM (National High School Exam), then the Redação Enem Notaapp by Android Apps Storm is a must-have. This free app provides you with more than 50 essays that scored a perfect 1000 in the previous ENEM exams. You can learn from these essays to understand the structure, style, and tone of a high-scoring essay.

The app also offers a comprehensive guide on how to develop your essay for the ENEM, including reading the essay proposals, following the rules and guidelines, and avoiding common mistakes. You'll also get inside tips on how to write an impressive introduction and conclusion, use quotes effectively, and present your arguments logically. The app is easy to navigate and offers a user-friendly interface, making it accessible to both novice and experienced writers.