The Marketplace app allows you to browse through a list of available solution groups with or without a wallet being connected. Without the connection however, you won't be able to perform token lifting, lowering or subscription. To connect:
Click on Connect button either on the left-side panel or on top corner of the screen
Tip: There's a "Connect" button in the solution group detail page as well
Connect Wallet
Choose your preferred wallet to connect (SubWallet/Ledger)
Connect to EWX Account
Option 1: Using SubWallet
1. Scan the displayed QR code using your SubWallet app, select an account that you wish to connect and click on Approve
WalletConnect QR Code
You will see "Account connected successfully" message on the Marketplace app screen. Click Continue to proceed