How to use:
1. Download and open the app, then grant storage and camera permissions for importing and scanning documents.
2. Sign in to enable cloud sync and backup, or continue as a guest for local use.
3. Import or create a file: tap the plus button to scan with your camera, or import from Files, email, or cloud drives.
4. Edit and annotate: highlight text, add comments, insert or delete pages, and merge multiple PDFs as needed.
5. Convert and share: turn images or Office documents into PDF, compress for smaller size, then share via email, link, or cloud.
6. Sign and fill: add your e-signature, fill form fields, set a password if needed, and save a finalized copy.