This document summarizes several mobile apps across different genres:
Cut the Rope is a puzzle game where the goal is to cut ropes and guide candy to a hungry monster. Where's My Water is also a puzzle game where the player uses switches to guide water through pipes.
Facebook is a social networking app that launched in 2004 and now has over 800 million users. Skype allows video calls and instant messaging between users for free.
Siri is a voice assistant app for the iPhone 4S that allows users to send messages, schedule meetings, and more using voice commands.