Start your portable online book collection with Google Books for Android. Pick up a bestseller or choose from over 3 million free public domain ebooks.

Features:

• Stores up to 16,000 ebooks (with a 32GB micro SD card)
• Pick up where you left off on another device
• Mobile eBookstore
• Adjust text size, typeface, justification and line space
• Free samples of books
• Offline reading
• Night-reading mode

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Note: For Android 2.1 or higher. Premium books only available for U.S.

Download Google Books for free from the Android Market.

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You got questions? WolframAlpha may have the answers. WolframAlpha is a computational search engine that can provide you with detailed information in a number of different fields such as math, engineering, nutrition, health, economics, geography, history and more.

What can I do with it?

Query Examples:

Compute a math problem.
Get nutritional value of a particular food.
Facts about an object in the sky.
Query for a location far away.

Features:

• Get answers to your questions quickly and efficiently
• Specialized keyboards for math, charts and graphics adapted for the variety of Android screens
• Support for native voice input, and location awareness

Download WolframAlpha for $1.99 from the Android Market.

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Can’t make it to the Google I/O 2010 conference? Google feels sorry for you so they released an app for event schedule, session info and more. The app is great for people who can’t make it to the event and it’s also a good resource for people who can.

Features:

• View schedule
• View detailed session info
• View info about companies in the Developer Sandbox
• Take notes on sessions
• Star sessions and Sandbox companies
• View conference map

Download the Google I/O 2010 app for free from the Android Market.

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So you and your buddies are arguing over who has the better Android phone. In situations like this you’ll need to pull up specs quickly for comparison. Good thing there’s a Android Handbook app for that.

Android Handbook is like the encyclopedia for mobile phones running Android. It’s got all kinds of specs you may find handy like processor, ram, screen size and more.

Download Android Handbook for free from the Android Market.

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Aldiko will open your Android phone to the world of downloadable ebooks. That’s right folks we have the technology, download and read ebooks right from your Android phone.

Aldiko Android features:

• download thousands of books to your phone
• thousands of titles available for free
• Browse the huge catalog of books online
• Search for books with the search tool
• Organize your ebooks by title, author, tags or subject
• Adjustable font size, background color, and font

Aldiko – ebook reader for Android demo:

Download Aldiko Book Reader for free from the Android Market.

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Layar is a augmented reality Android app that shows you digital information on top of reality through the Droid phone. Augmented reality is a combination of digital computer data combined with real life blended together into a single footage.

So what does that mean? What the hell does it do exactly? Basically what you do is hold your Android phone in front of you like you would with a camera, the app displays a digital layer on top of your display view. Layers are switchable and there are thousands of them. Find layers ranked by popularity or by staff favorites.

Try Layer out for free from the Android Market.

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Learn and explore the Solar System on the Motorola Droid with Celeste SE.

Features:

Change the Date – want to know the planet alignments on your birthday? How about the galactic alignment for the year 2012 when the world is going to end.

Phases of the Moon – Look at the different Moon phases throughout the month including where its rises and sets.

See the Planets – Planets are superimposed with 3D graphics on the Droids camera view.

Tracks – track the path of any celestial body through a 24 hour time frame.

Discover – Learn facts about planets, the Moon, and the Sun.

Download Celeste Se from the Android Market for $1.99.

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We all know Wikipedia is the best thing since slice bread, but accessing the website through a small screen like a smart phone can be a pain.

The Wapedia application was created to give the Android user a better wiki experience, get access to all the Wikipedia goodness that’s optimized for your Droid phone. The app trims off all the fat from Wikipedia and slims it down to a nice small package by losing some images, and giving you only the basic categories and a big search box. All the good stuff is still there like “In the News, Popular Pages, Did you Know, Featured Content, and Random Articles are still accessible through the main menu.

Get Wapedia for free from the Android Market.