To mark a Bible verse as a favorite, tap, double-click, or highlight a passage to select it. A toolbar will appear; tap or click on the icon to "favorite" your selection. The process looks like this:
If you're logged into a BibleGateway.com account, your favorite verses will be remembered and stored with your account. They'll be available to you on any device so long as you're logged into your BibleGateway.com account. Passages you've marked as favorites are tagged with a icon, like this:
Click or tap on the icon to un-favorite the passage.
That's a quick overview of the "favorite" feature. Please note that since this feature is in beta, details may change. We'll update this tutorial periodically.