No. 2: Evernote

The ever-functional and increasingly popular note-taking application Evernote is just the sort of a jack-of-all-trades app that deserves a spot on any Android handset. This app lets you take notes, snap photos, record audio, and access all of your existing Evernote data. The clean interface and useful capabilities are sure to appeal to just about every organized Android user. Even better, you have the option to store Evernote on your SD card, a welcome feature for anyone worried about using up valuable phone memory.