LangBook = Dictionary + Online + grammar + translator phrasebook has a built-in dictionaries, with the possibility of free add additional dictionaries.
Dictionaries:
Use dictionaries open formats (StarDict, XDFX). The built-in English-Russian and Russian-English general dictionaries.
Ingredients:
English-Russian dictionary - 89,072 words;
Russian-English dictionary - 61,624 words.
Cards of articles translation support links to jump to words or synonyms to examples of other words / phrases.
It is possible to download the sounds for dictionaries.
Now available for download following dictionaries: German-Russian general; Russian-German general; Spanish-Russian general; Russian-Spanish general; French-Russian general; Russian-French general; Russian thesaurus Dictionary Dal; Medical Dictionary; Big Law Dictionary; Municipalities and indexes Russia; English sounds; Dictionary Ozhegova; Dictionary Ushakov.

Online Translator:
Using Google Translate, Internet connection required.
Now you can use a translation from / into 53 languages. Able to determine recruited language.
The translated text can be copied, send an e-mail or sms.
If translated into English, it is possible to voice translation.
Grammar:
Handbook of English grammar.
LangBook help in mastering English grammar.
The handbook provides information on basic and complex designs.
From LangBook you will have permanent access to the necessary material for grammar.
Phrase:
Russian-English phrase book. The phrases are divided into categories.
Each category has its own image for quick access.

LangBook has built-in notes with direct access from any section. Just click on the pencil to the right at the top. Notes can be sent by e-mail. Future versions will be added to synchronize with Google Docs.
When choosing a dictionary in the category dictionary, the table shows the search history (up to 100 entries), each dictionary has its own history. History can be completely removed separately for each dictionary in the Preferences, or you can remove one word directly in the table (to hold the word from right to left, and click Delete), only when no active search.