Field guide
Working without a mouse
Point at this window, then hold ↓ to scroll. The photos below scroll sideways with ← and →.
Hold Shift to cross the screen fast. Hold Q to move one pixel per tap.
Tap Space twice to double-click. Hold it and move to drag, let go to drop.
E splits the screen into nine cells named after the keys under your left hand. Press one and the pointer jumps there.
F puts a little letter on every button in the front window. Type it and that button is clicked.
/ lets you type a button’s name instead. H shows every key.
You reached the end. Nice scrolling.