The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Woyaa Corporation:
ETOEFLV (Effective toefl Vocabulary) mobile app is designed to help users expand their English vocabulary and get ready for Test of English as a Foreign Language (TOEFL tests). Special features for effectively memorizing English words include flash cards, definition and usage (sentence) tests, review learned words, review all words, add a word, and search for word. It can also be customized as users' English dictionary and learning tool by adding the words that users want to include for further learning. Visit http://www.woyaacorporation.com/effectiveLearning.php for best practices with this App.