Wow, thanks for the encouragement, and for the awesome feedback. I'll get digging into that page number jump issue right away - sounds very annoying.
I've been trying to think of a way to add the multiple dice for ages, but the idea of a simple text input field seems kind of brilliantly simple. I'll give that some serious consideration for the next beta.
The offlline program is definitely the plan once the beta phase is through. I wasn't sure how much enthusiasm there would be for the project tbh, but the response has been amazing so far - so will def. see it through to a standalone app.
Thanks again for contributing - and Keep the suggestions coming! I'm really interested to hear how it can be improved for solo players.