27) Google Places Directory Take the mystery out of finding nearby places with Google Places Directory. Places Directory allows you to browse nearby places in categories like restaurants, movie theaters, hotels and banks. It also gives you distance and directions along with ratings and photos. Free.
28) Yelp Yelp for Android determines your current location and then lets you search for nearby businesses, read reviews and so on. It also lets users filter by "Price," "Open Now," "Special Offers" and "Hot on Yelp." Free.
29) SwitchPro Widget This cool little app gives you the ability to control 17 of your Android phone's functions directly from one of your homescreens. You can turn 3G, Wi-Fi and Bluetooth on and off, adjust your screen's brightness, even reload your SD card after transferring files. Free.
30) Lookout Want to protect your phone? Lookout does just about everything. It provides security against mobile viruses, malware and hackers, backs up your data and even locates your lost or stolen device on a map from the Web. And if you can't find it, you can use Lookout to make your phone "scream" or simply wipe out all the data on it. Free.
31) Mint Manage your money and keep track of your budget while on the move using Mint. It gives you up-to-date information on your accounts and lets you edit transaction info right on your phone. And it's password protected to make sure your information stays safe. Free.
32) EStrongs File Explorer File Explorer is a local and network file manager that provides a file explorer for both the local phone and your remote computer. You can view files on your phone and in your computer's shared folder and transfer files between them. You can even play audio and video, browse images and view text. Free.
33) Document Scanner This app allows you to scan documents with your phone's camera, convert it to PDF and e-mail the PDF to anyone. You can even upload the PDF to Google Docs. Paid: $2.98.
34) MightyMeeting Manage a library of PowerPoint presentations directly from your Android phone with this app. You can use the app to share the presentations via e-mail, blog, Twitter and Facebook, and you can also start or join Web meetings using it. Free.
35) Nimbuzz This communication app allows you to connect to all your online friends, whether they use Skype, Facebook, Windows Live Messenger, Yahoo!, GoogleTalk, AIM, ICQ, MySpace, or StudiVZ Hyves. Free.
36) GDocs for Android This editor/viewer for Google Documents allows you to create, edit, view, import, export, send documents and sync them with your Google Docs account. Free.
37) QuickOffice Connect Mobile Suite This Microsoft Office productivity suite for Android devices allows you to view and edit Word, Excel and PowerPoint files with integrated access to multiple remote storage providers. Paid: $15.
38) Dial Zero Need to get in touch with customer service and don't want to wait on hold? Dial Zero maintains an index of more than 600 companies and how to cut through their automated answering services to get a live human being in no time. Free.