To navigate between sheets, use the sheet navigation panel below the current worksheet. Tap the necessary sheet tab to switch to the sheet.
To scroll a sheet, swipe up or down, left or right.
To zoom in a sheet, use the stretch gesture: place two fingers on the screen and move them apart. The indicator displays the current zoom value as you move your fingers until you reach the Maximum zoom level.
To zoom out a sheet, use the pinch gesture: place two fingers on the screen and move them together. The indicator displays the current zoom value as you move your fingers until you reach the Minimum zoom level.