Computer software platforms for building communication services; Downloadable computer application software for mobile devices, computers, handheld computers, and tablets, namely, software for building communication services; Downloadable software in the nature of a mobile application for improving and enhancing communications to tenants of a building, as well as others interested in the building; Downloadable software in the nature of a mobile application for improving and enhancing communications between management and tenants of a building, as well as others interested in the building