Master Coder - Code on Bed is a free Android app developed by Traidev Pvt. Ltd. It is a lightweight and powerful JavaScript IDE that allows you to write code snippets, preview them and commit them to any git repository. This app is perfect for developers who want to code on their mobile devices without compromising on functionality.

With Master Coder, you can clone public or private repositories, search for code within a project or file, and analyze code syntax with its smart auto-completer. It also includes code completion and context provider, auto code-indentation, and light/dark themes.

In addition to JavaScript, Master Coder supports CSS, HTML, and smart code-hinting for HTML5, Less, Sass, Jquery, Bootstrap, XML, PHP, JSON, and MYSQL. With its integrated JavaScript console, you can preview markdown, export/import projects/files to zip files, and even work offline.

Overall, Master Coder - Code on Bed is a useful app for developers looking for a mobile solution to their coding needs. However, it is important to note that backing up your projects before uninstalling the app is essential to avoid losing any data.