Want a little extra security for your Android phone? App Protector Pro allows you to password protect any application on your phone, including e-mail, SMS, photos and more. Paid: $1.99.
37) Memory Booster – RAM Optimizer
Keep your Android phone running at its fastest with this app. Memory Booster optimizes our phone's memory by recovering memory leaks, flushing temporary libraries and defragmenting your phone's memory. Free.
Don't like the stock browser that came with your Android phone? The Dolphin Browser HD adds a boatload of features, including multiple tab viewing, full multitouch gestures, a thumbnail "flick" menu, gesture-based search and URLs, a YouTube downloader and browser extensions. Free.
The app adds just about every calculator function you can think of to your Android phone, allowing you to put your scientific calculator in the drawer forever. Free.
40) Fuze Meeting HD
Need an audio- or video-conferencing solution for your Android device? Look no further than this app from FuzeBox. You can invite schedule and start meetings, as well as invite attendees from your address book, and even upload PowerPoint decks, Word documents, PDFs, and HD movies and images from your device. The app is free but the conferencing service is not, though there is a free trial period.
41) News Republic
Are you a news junkie? Now your Android device can help you stay on top of all the breaking news with this app. Its feeds include many of the top news agencies, and it will organize relevant stories for you through its interactive interface. Free.
42) SlideScreen
This app replaces your traditional home screen with one that shows summary information for SMS, Gmail, phone calls, Calendar, Google Reader, Stocks and Twitter, making seeing all your important information at once a snap. Free.
This highly useful app uses your phone's location to find the nearest ATMs. You can even sort according to criteria including: drive through, 24-hour service, wheel chair accessibility and surcharge fees. Free.
This app provides comprehensive, real-time gas prices in your area (US and Canada) with maps. Users who pitch in by reporting gas prices in their area can win free gas.
45) Nesoid Lite
This Nintendo Entertainment System (NES) emulator allows you to play every NES game ever made right on your Android phone. You'll have to take responsibility for the legality of your ROMs. Free.
46) Angry Birds
It's one of the most popular mobile games around for a reason. Use physics to help the Angry Birds destroy the piggies that have stolen their eggs. Free.
47) TV.com
This app from CBS Interactive turns your Android phone into a television. Use it to watch video, including full episodes, from CBS, The CW, CNET, ET, Showtime, CBS News, CBS Sports and more. Free.
48) Pandora
Start listening to free, personalized Internet radio on your Android. This app brings Pandora off your computer and puts it on your phone. It's fully integrated with Pandora on the Web. You can listen to all your existing stations and create new ones on your phone too. Free.
49) Slacker Radio
Want to create favorite radio stations and take them with you wherever you go? This app has you covered. While other apps—notably Pandora and Last.fm—also allow you to create your own radio stations, Slacker Radio has the added capability of caching music on your device for whenever you have a data signal so that you still have access to your music when you're offline, like on the subway or a long flight. Free and Paid. The free version gives you access to music streaming, while the paid version gives access to off-line caching for $4.99 a month.
50) Twicca
Still hunting for a Twitter client for your Android phone? Twicca offers a massive number of features with a slick, minimalist UI. Users can add a series of plug-ins to customize Twicca to their own needs. Free.