We use METAMASK as our Wallet and can only recommend it. Works as APP and BROWSER EXTENSION. But also works with some other Wallets where you can SET THE NETWORK. HOW TO SET YOUR WALLET POLYGON READY StartCLICK ON ACCOUNT SYMBOLnetworksGo to Settings and click on NetworksADDCLICK ON ADD NETWORKsaveADD NETWORK DATA AND CLICK ON SAVEPolyreadyNOW YOU CAN SET POLYGON AS NETWORK VISIT METAMASK.IO VISIT POLYGON RPC DOCS HOW TO BUY/SELL TREATS ON QUICKSWAP StartSET WALLET ON POLYGON AND CONNECT BUY ON QUICKSWAP SHOW POLYGON TREATS ADDRESSwalletSELECT YOUR WALLET ADDRESStreatsCLICK ON SELECT A TOKENSelectPASTE TREATS POLYGON CONTRACT ADDRESSADDADD AND SELECT TREATSSwapSELECT YOUR SWAPTOKEN AND CLICK ON SWAPconfirmCONFIRM SWAP HOW TO USE POLYGON BRIDGE STARTFirst set the network where your tokens are currently locatedwalletVISIT POLYGON BRIDGE AND CONNECT WALLET VISIT POLYGON BRIDGEbridgeSELECT YOUR BRIDGE TOKEN AND SET AMOUNTconfirmCONFIRM TRANSACTION. 2 TRANSACTIONS IF YOU BRIDGE FROM ETHEREUM. If you are MISSING MATIC in your Polygon wallet, you can visit https://matic.supply and get a TINY AMOUNT of MATIC for free. OFFICIAL WEBSITE from the Polygon Foundation.