Show HN: Gander, an Android file viewer that asks for no permissions at all

Gander, an Android file viewer, has been released without requiring any permissions. It supports various file formats, including PDF, Office, images, and video, by using local rendering libraries. The app is 14 MB, MIT licensed, and available on GitHub. It's a viewer-only app, with some limitations, and the developer welcomes feedback. Users can download it and try it out.