Notes & Folders is a free Android application developed by Aleksey Frolovskiy. It is a simple note-taking app that allows users to create plain text notes, checklists, and organize them in folders like a real filesystem. The app also supports importing *.txt files (UTF-8 only) and has a search feature to help users find notes quickly.

One of the notable features of Notes & Folders is its password protection and 128-bit AES encryption, ensuring that users' notes are safe and secure. Additionally, the app has a backup and restore feature, which is useful for users who want to transfer their notes to another device or keep a backup of their notes.

Overall, Notes & Folders is a straightforward and user-friendly app for anyone who needs a simple note-taking solution with basic organizational features.