Learning English is Easy! for Android
If you learn the most used 2500 words in English, you can easily understand ~85% of the normal type sentences.
If you already learn 2nd group of 1500 words, than you can understand ~95% of the normal type sentences.
If you really want to true meaning of take advantage of this application, you should be practiced on shared daily words and make frequent training with the words you have learned already.
The daily news section of the application also relates to the "science of language" articles and citated articles will be shared.