The Full Screen Toggle plugin provides a seamless way to maximize display space while reading notes in Obsidian, especially on mobile devices. It allows users to switch to fullscreen mode with customizable shortcuts, such as double or triple taps, or by using commands or hotkeys. The plugin is particularly useful for minimizing distractions and enhancing focus during note reading or editing. Users can also adjust settings to prevent accidental activations, tailoring the experience to their workflow preferences.