Hello, I want to know more about the feature of the flask what is it good for ? Can ordinary users use it as well?
Hey @Aramesh, thanks for asking 
MetaMask Flask allows developers to extend and customize MetaMask with their own features and experiments they develop, and users can download MetaMask Flask to use these features as well! But as noted:
If you’re not a developer, we recommend you only use the main MetaMask applications and do not use MetaMask Flask. If you’re a web3 dapp developer and feel adventurous, then MetaMask Flask is for you.
Here is more information on the MetaMask website if you are interested:
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MetaMask Flask is a distribution channel of the MetaMask extension for developers that gives them access to additional unstable APIs. The goal of Flask is to maximize developer control, so that we can learn the full extent of what developers want to do with MetaMask, and later incorporate those lessons into the main MetaMask distribution.
hei there, its a great!