This document provides summaries of various mobile apps categorized into social media apps, business apps, women and kids apps, apps for specific industries, and most downloaded apps of 2013. It also discusses productivity apps and apps that are worth downloading. The apps highlighted include Facebook, Twitter, WhatsApp, Snapchat, Hootsuite for social media management, Evernote for note taking, Duolingo for language learning, and Nova Launcher for customizing the home screen.