Fastcase - Fastcase for Android is a free legal research application, putting the American law library in the palm of your hand. Fastcase contains cases and statutes from all 50 states and from the federal government. You can search by citation, keyword (in Boolean or natural language), or browse statute collections.
NOLO's English Law Dictionary- A law dictionary for the 21st Century! As the nation’s oldest and most respected provider of legal information for consumers and small businesses, Nolo now offers students, accountants, paralegals, and everyone whose work or life is touched by the law, a complete and up-to-date legal dictionary—designed for the palm of your hand
Black's Law Dictionary - For more than a century, Black’s Law Dictionary® has been the gold standard for the language of law. Today, it’s the most widely cited law book in the world. By Editor in Chief Bryan A. Garner, the 10th Edition is the most comprehensive law dictionary ever published. It contains more than 50,000 terms, including more than 16,000 new definitions.