Yes the reusable pages are designed for Frixion ink so writing erases cleanly with water.

 Lightly dampen the included microfiber cloth wipe the page and let it dry before writing again.

 Yes you can set icons for different destinations and scan to email Google Drive Dropbox OneNote and others.

 Give new strokes a moment to set and avoid heavy pressure then pages stay clean and legible.

You can still write like a normal notebook and later scan with the Rocketbook app when you want to save.

 For best results use the damp cloth method which preserves page quality for long term reuse.

 Yes the subtle grid guides sketches charts and layouts while keeping regular notes neat.