1.Available for iOS and Android device users, the MetaMask wallet app is being used on a large scale. This is because it is simply not wallet storage but also lets you interact with blockchain apps in a secure way. To use this wallet extension, you just need to create your own MetaMask Wallet Login credentials and use them to access all its features.
2.The users who do not know if they can have two MetaMask wallet or not need to understand that a user can have multiple wallet addresses in single wallet software. You just need to use your MetaMask login credentials to access your wallet and click on the colored circle at the top to display your accounts list along with your account ledgers.