Application development: As the name implies, application development is a process of developing mobile applications, which should be simple, informative and easy to navigate. These applications are developed for personal digital assistants, mobile phones, tablets and other mobile devices, involving the participation of technology and resources, providing localized Web development and application development, software development, Web development and software customization services.

Mobile App operating system for smartphones and tablets, Mobile App Software Development Kit (SDK), Java, SOAP, RESTful, Web services, XML parsing, web suite for mobile app development, HTML5, accelerometer, GPS and positioning services, push notifications, MPEG4 and H.264 over HTTP/RTSP streaming video development, etc

Progressive Web application, progressive Web application is a relatively new type of Web application, whose behavior is similar to native application and generally better than native application. They are Web applications that follow a slightly different approach and involve a set of additional technologies, such as service workers, checklists, and push notifications. Progressive Web applications can be downloaded to your device and stored on your home screen, making them accessible and "local like", and unlike Web applications, they can be accessed and used offline.