By default, your network at MetaMask would be Ethereum and you will need to add other EVM networks manually.
Search for the network you need to add and click on "Add to MetaMask" button
Confirm adding a new network on MetaMask
There you go! Chain is added to MetaMask
Open your MetaMask extentson and click on Ethereum network there would be a drop-down menu with the list of all networks you've added in it.
By clicking on "Add Network" button MetaMask will transfer you to the page where information about the network should be filled
Complete information about the network you want to add must be posted on official resources. Please always confirm it.
Connect your wallet using the "Connect Wallet" button and choose MetaMask
Now you can freely use Hot Cross DApps with MetaMask.
To open the DApp Browser on MetaMask, on the left menu, tap Browser.
Finally, on the Hot Cross DApp, use Connect Wallet button to open the wallet options, then select MetaMask.
MetaMask mobile app should be connected with Hot Cross now. You can visit our product suite on the top-right menu to start using it.
In order to switch networks, you need to click on the icon of Chain at the top.
And the pop-up menu will offer you available chains for this Dapp