Yes, you can use MetaMask Extension on mobile devices. MetaMask has a mobile app that is available for both iOS and Android devices. The MetaMask mobile app allows you to access your Ethereum wallet and interact with decentralized applications (dApps) directly from your mobile device.

However, please note that the MetaMask mobile app is not the same as the MetaMask Extension for desktop browsers. The MetaMask mobile app has a slightly different user interface and feature set compared to the desktop extension, but it still provides many of the same functions.

To use MetaMask on your mobile device, you can download the app from the App Store or Google Play Store, create a new wallet or import an existing one using your seed phrase, and start using the app to store and manage your cryptocurrencies.

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