Or... "Best Practices of In-App Web Browsers"
Being the usability nut that I am, I have decided that my goal of making a perfect in-app browser for various iPhone apps is an impossible task. But, judging from what I've been able to do so far, and from many different Web View examples I've seen from around the web, there are some basics that every in-app browser should get right.
I'll start by showing the in-app browser in two very well-known iPhone apps: Facebook and Twitter.
Fundamentally, and functionally, these two in-app browsers are the same. And, after looking at maybe a few hundred other browsers, It seems like the list of essential features of a usable in-app browser are: