Here is the concise manual for your Unity Asset Store listing:

1. Overview

Fullscreen Editor & PlayMode is a powerful utility designed to maximize your workspace efficiency by allowing you to instantly toggle any Unity Editor window into a clean, borderless fullscreen mode. Whether you’re level designing, animating, or testing gameplay, this tool helps you focus on what matters most.

Key Benefits:

• High Performance: Optimized with native low-level hooks for minimal overhead.
• Deep Integration: Automatically handles toolbar hiding, cursor state restoration, and VSync.
• Multi-Monitor Support: Includes a “Mosaic” mode to spread views across multiple displays.
• Workflow Automation: Optional “Fullscreen on Play” feature to automatically maximize the Game View when entering Play Mode.

2. Supported Platforms

• Windows
• macOS
• Linux (X11 support)

3. How to Use

Control your workspace using simple hotkeys. By default, the following shortcuts are assigned:

• F9: Toggle fullscreen for the currently focused view.
• F10: Toggle fullscreen for the Game view.
• F11: Toggle fullscreen for the Scene view.
• F12: Toggle fullscreen for the Main Editor window.

Customization:
You can rebind these shortcuts or adjust advanced settings (like toolbar visibility and placement source) at any time via:
Edit > Preferences > Fullscreen Editor & PlayMode (or Unity > Settings on macOS).