RMEPOS, a retail solutions provider, relied on a legacy Unitech HT630 DOS handheld stock terminal for inventory and order management. While functional, the system lacked flexibility, modern usability, and efficient integration with EPOS systems. To overcome these limitations, RMEPOS partnered with ScalaCode to design and deliver a fully modernized Android application tailored for rugged SUNMI L2S Pro terminals.
The primary business need was to replace the outdated DOS handheld with a scalable, user-friendly, and future-proof solution. RMEPOS required:
A robust Android-based application optimized for SUNMI L2S Pro devices.
Seamless integration with the existing EPOS system for import/export of large data files.
Core modules for order management, deliveries, stock transfers, price checks, and stock audits.
Offline functionality with data synchronization once connected.
A secure and intuitive user interface for easy adoption by store teams.
Migrating from a DOS-based terminal to a modern Android environment without disrupting ongoing retail operations.
Handling large data volumes (files with 100,000+ lines) efficiently on a handheld device.
Ensuring data accuracy and synchronization across multiple branches.
Designing a simple, intuitive UI to reduce user errors during high-frequency stock operations.
Maintaining performance and security standards while working with rugged hardware.
ScalaCode approached the project with a staged development plan:
Deep dive into legacy system workflows, EPOS data formats, and operational pain points.
Architecture designed for modularity, data synchronization, and offline-first usage.
Built core modules in phases, starting with order and delivery management, followed by stock functions and advanced features.
Rigorous unit, integration, performance, and security testing to ensure reliability.
Rolled out the app on SUNMI devices with detailed training and 180 days of free maintenance support.
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Create, update, and manage orders directly from the handheld device.
Track deliveries with branch IDs, order details, and confirmation workflows.
Scan items, verify details, and instantly update shelf prices.
Conduct stock audits with real-time data input and correction capabilities.
Manage inter-branch stock movement with complete traceability.
Import/export large PLU.EXP and IMP files with offline-first support.
Optimized for rugged SUNMI L2S Pro screens with clear prompts and error warnings.
Password protection, secure storage, HTTPS data transmission, and modular design for future features.
Kotlin
Android SDK
Jetpack Compose/XML
SQLite
GitHub/GitLab
Jira
Trello
By partnering with ScalaCode, RMEPOS achieved a complete digital transformation of its retail operations. The new Android-based POS app not only modernized workflows but also provided a scalable, secure, and future-ready foundation for inventory and stock management. This successful migration demonstrates ScalaCode’s expertise in building robust enterprise mobility solutions that enhance efficiency and deliver measurable business outcomes.
ScalaCode delivered a polished eCommerce app efficiently. Their professionalism and global readiness stood out.
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