Reading Time: 4 minutes Android is a mobile operating system based on a modified version of Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets . It is free and open source software.
Reading Time: 6 minutes Nest is a Node.js framework used for building highly efficient and scalable server-side applications that also supports TypeScript. The reason for using Nest over other Node.js frameworks is that unlike Express, Nest is opinionated and provides an out-of-the-box architecture for the application which allows developers to create testable, scalable and loosely coupled and easily maintainable applications.