Quick tips from the 
To quickly get back to the top of a window you’ve scrolled through (like say this great post on The Empire Strikes Back), simply tap on the top bar of the display window.
This should work in most, if not all, apps.
Following
To quickly get back to the top of a window you’ve scrolled through (like say this great post on The Empire Strikes Back), simply tap on the top bar of the display window.
This should work in most, if not all, apps.
