Smart devices such as smartphones and tablets continue to enter the market as client terminals for operational systems. We provide total development services for business apps for such smart devices, spanning from plan proposals to development and operation. We support the development of business apps that contribute to improvement in business efficiency, including proposals that incorporate design capabilities for easy-to-understand and easy-to-use UI and UX as well as a gamification element, all of which were nurtured in game and entertainment related development. In addition, we provide seamless cross-platform development for various devices equipped with iOS, Android^™ and other operating systems, thus minimizing total development costs for app development.