To view the Snap home page, open MetaMask and go to the main menu in the top right corner. Click on "Snaps" and you will see the PolkaGate Snap listed there. Click on it to view the PolkaGate Snap home page, as shown below:
MetaMask Main Menu Entry
MetaMask Main Menu
PolkaGate Snap in Snaps List
Snap Home
In the Snap home, you can view the account address, copy it, check account balances, switch chains, view the dApp list, and even export the account.