Applico is an IT firm that has an office in the heart of New York City. Building mobile applications is one of the agency's many specialties. This company creates functional graphical user interfaces (GUI) for apps that are compatible with the Android operating system. The most common programming language that is used to define the structure of such apps is called Java. This is an object-oriented language that has many layers and extensions. Java can be combined with other Unix-based or Linux solutions to meet the demands of clients who want universal IT products and services. Android apps must be hosted on reliable servers that run on such traditional operating systems. It's also important for the apps to be linked to databases that store sensitive information on users. Once they're configured on servers and hosts, mobile-friendly databases can be easily synchronized via MySQL and SQL scripts that are based on Microsoft technology.