Want to score higher on the GRE/SAT/GMAT/TOEFL test? Want to have strong communication skills? Mastering the English vocabulary was never so easy. With Wordflash building vocabulary is fast, effective, and fun. Wordflash uses an innovative intelligent tracking system, which tracks your study effort, thereby making your vocabulary building process really effective. For instance, you can take a test of only those set of words that you have studied for the past two weeks and found them difficult to remember. Version 2.5.5 may include unspecified updates, enhancements, or bug fixes.