PowerVocab Ultra Edition contains over 1300 words and is designed for word-lovers. It can also be used to prepare a strong vocabulary for tests such as SAT, GRE, GMAT, ASVAB and so on. Words increase in difficulty as you go.

(Book) Read Sun Tzu's classic military treatise right on your phone. This is one of the world's oldest and most influential book on military strategy and tactics.

Comfortable and highly customizable reading experience.

Also includes Musashi's "Book of the Five Ring".

Wapedia is the fastest way to access the 3 million articles of Wikipedia and many other wikis on your phone. Supports more than 150 languages.

Opens a quick dialog box with input box to query the WolframAlpha Computational Knowledge Engine and launch your web browser. Unfortunately Android does not support input boxes on widgets so its out of the question for now.

A few things to try:
integral x^2
New York
Oct 25, 1982
captcha android

suggestions welcome

Application for easy viewing of the BJCP beer/mead style guidelines on your Android phone. What's the difference between an American and an English IPA? Interested in a classic example of a Belgian Pale Ale? Now you can use this handy reference to determine the official answer.

http://drupal.transmutableexplorations.com/BJCPDroid

Der aktuelle Mensaspeisenplan wird angezeigt.
Hierzu wird die vom Studentenwerk Paderborn verwendete XML-Datei verwendet.

View the the most wanted lists from the FBI. Including but not limited to: Top Ten Most Wanted, Most Wanted Terrorists, Missing Children, Wanted for White Collar Crimes, etc, etc.

WikiDroyd is an off-line Wikipedia reader supporting 28 languages. Once you've downloaded your personal Wikipedia library (e.g. over Wifi) you do not need a network connection to search and read your articles. With our "Droyd Plugin Speech" WikiDroyd also reads articles using TTS.

This plugin extends our WikiDroyd application (offline Wikipedia reader) to a text-to-speech enabled
offline Wikipedia reader. Currently the languages
English, German, Spanish and French are supported
(works only with Android 1.6 SDK 4 and higher)

Community driven language dictionary with audio