It’s also dawning on her why she’s using a tablet at all – she doesn’t need one- no one at the table before needed one… Phil can’t just link to the android network. The tablet was there from the start for Phil’s benefit. They are something they can just hand to him when he needs to look over something. It helps keep down clutter at the table. If you’ve played d&d with a large group, you might see a DM who has a laptop and a tablet going at the same time- and still is grabbing books or paper- sometimes its just less clutter to have people hand over their sheets, rather than looking through your files and opening them up there or even on a website.