Efforts to be efficient, fast and accurate in all in-store operation in combination with a lack of people is making today’s retail even more challenging. A large number of business processes can be recorded on mobile or tablet devices. Checking prices and stock is just one of them. What is more important is that every transaction like receiving of goods, returns, write-offs or stock transfer is directly visible in your ERP system. This is the story of how the largest retail chain in Croatia has improved efficiency, speed and accuracy of all in-store operations using android mobile devices.