Smart Hawker is a practical and easy-to-use mobile application designed for hawkers to manage their business record keeping. It utilizes the fundamentals of financial accounting to help hawkers organize their sales, cost of goods sold, expenses and profit figures. These are key indicators of their daily, monthly and annual business performance. Smart Hawker also provides hawkers with preliminary real-time income tax calculations that will assist them in managing their personal and business tax positions more effectively. Used correctly, Smart Hawker will help its users attain greater efficiency and accuracy in managing their business. This in turn will hopefully lead not only to enhanced profits but also greater peace of mind.