This document lists 5 must-have smartphone apps in different categories: an intelligence app of Feed Reader (Flipboard), a going local app of location-based service (Yelp), an organizing app of note taking utility (Evernote), a getting things done app of to-do list (Remember the Milk), and a finances app of online money management (Mint). It also provides special mentions of additional useful apps like QR code reader, Google Calendar, teleconferencing apps, and office productivity apps.