Используйте приложение APKPure
Историческую версию Vocabulary Builder for GRE можно получить на Android
Visit us at www.learnongo.com for all other apps on various mobile
LearnOnGo provides an easy and intuitive way to build your vocabulary. You have instant access to thousands of difficult words at the tip of your finger.
Wishing you all the best for your upcoming GRE, GMAT or similar exam!