The Vim IM Select plugin enhances the Obsidian Vim experience by automatically switching the system's input method when using Vim key bindings. This ensures that non-English input methods do not interfere with Vim's normal mode functionality. The plugin detects and switches the input method based on user settings, supporting both default and Windows-specific configurations. Users can configure the input method, obtain the current method, and switch between input modes using executable commands. The plugin provides a seamless Vim experience by managing input methods, making it ideal for users who frequently switch between languages while using Vim in Obsidian.