appearance
This tool on every surface: CLI · MCP · Python · JavaScript · Go · Java · .NET
Read the device's light/dark setting, or change it. These call app_appearance.
appearance
appearance(mode?: 'light' | 'dark' | 'auto'): Promise<string>
Examples
Switch to dark mode
await device.appearance('dark')
The same call from the command line, mobium appearance dark, printed on an Android 15 emulator:
dark (was light)

mobium appearance dark on an Android 15 emulator