小説を書こう is an Android app designed specifically for writing Japanese novels. With a range of convenient features, this app aims to provide a seamless writing experience for authors.

The app offers a variety of useful functionalities, including string search and replace, ruby text support, and the ability to save different sections of your novel separately, such as the main text, characters, ideas, and storylines. Additionally, you can insert full-width spaces when adding line breaks, adjust the font size and line spacing, and utilize the undo/redo buttons for easy editing.

小説を書こう also includes a lock feature to protect your work, a browsing function for easy access to your saved novels, and a backup option to ensure your data is always secure. The app also features an auto-save function, night mode for comfortable writing in low-light conditions, and the ability to export your work as an ePub file. Furthermore, you can customize the font to suit your preferences.

With its specialized features and user-friendly interface, 小説を書こう is a valuable tool for Japanese novelists looking to streamline their writing process.