For years, the world of Point-of-Sale (POS) terminals has been dominated by proprietary systems and fragmented app ecosystems. Each Original Equipment Manufacturer (OEM) offered its own hardware and software solutions, creating a complex landscape for businesses and developers alike. However, a new generation of POS terminal applications is emerging, driven by a revolutionary approach. A universal Single Architecture app that works across all OEM hardware thanks to a powerful concept called the Hardware Abstraction Layer (HAL). Breaking Down the Walls:...