FlashShell is a thinking notes app that focuses on voice recording, helping users capture inspiration, organize thoughts, and guide actions through AI technology. It supports voice, image, and text recording, and can automatically organize, format content, and add tags and titles. Additionally, users can discuss with AI and get reading suggestions and action guidance to improve their cognitive thinking. The product's design emphasizes recording anytime and anywhere, helping users start from scratch and import the first draft into other apps for further editing.