In Single tap mode you can dismiss or snooze calendar event and timer alerts. You can answer or reject incoming calls with a single tap. CLICK HERE to know how to activate One hand operation in Samsung Galaxy J7 ( SM-J700F ).

What is single tap mode?

As noted underneath this button, enabling this feature will allow to do the following actions with one tap: Dismiss or snooze alarms, calendar events, and timer alerts. Answer or reject incoming calls.

What is single tap navigation bar?

First create a shortcut and then you can start navigation with just one tap. ... Simply choose a result from your search history, tap & hold it and place a shortcut on your home screen.