AppAdvice - Pawn Stars: The Game (Free) by A&E Television Networks Mobile is a simple game that uses basic math skills to buy items at low prices and sell them at higher rates to make a profit. See? Economics can be fun in the right environment. The customers come into the shop, and your clerk has to estimate the best price to offer the customer. Then, you turn around and sell the items on the shelves, but make sure that you’re turning a profit before you let the item go.