First, you will need a positive Jassby account balance to shop at any of our vendors. Once you have a positive Jassby account balance, you can use it to make purchases in the Shop. To open the Shop, tap on the shopping cart icon located on the right of the bottom navigation bar. Select a category, and start browsing. After you choose your desired items for purchase, proceed to the checkout. Jassby takes care of the payment information without you having to enter it. Finally, tap the “Buy” button to complete the purchase.