I like the Custom Tabs feature. It avoids security concerns with web views and the back button works how you'd expect it to within a single app. If you want to

I like the Custom Tabs feature. It avoids security concerns with web views and the back button works how you'd expect it to within a single app. If you want to open the page in your browser there is a button in its menu to open it in Chrome (or whatever your browser is) instead.