In order to make purchases within myVEGAS Bingo, you will need an active Google Play account for Android devices or an active iTunes account for iPhones. You will either need to redeem a gift card with monetary value to these accounts or connect them to a credit/debit card.
Once your account has been set up, simply tap the Buy button located at the top of your game screen. This will bring up a selection of chip packages currently available for purchase—follow the instructions from there to make the purchase.
Information regarding setting up payments can be reached at the links below: