These tools are Line Spacing, Paragraph Spacing, and Character Spacing. In its drop-down list, you will see default centimeters you can place between the text. When you click Align to Baselines.

When using the Google Docs app, you can set your line spacing at 1.00, 1.15, 1.5, or 2.00, - a range from single spacing to double spacing. These are the only spacing options on mobile ...