PowerVocab Ultra Edition contains over 1300 words and is designed for word-lovers. It can also be used to prepare a strong vocabulary for tests such as SAT, GRE, GMAT, ASVAB and so on. Words increase in difficulty as you go.

MemoryUp Pro is a powerful mobile RAM boosting tool and Java virtual machine (JVM) management application specially designed for Android smartphone users. It is a handy memory optimizer tool that will keep your smartphone running fast and efficiently. It enhances your smartphone's performance by making more memory available for both your applications and the mobile system.

This app allows teachers/coaches to keep attendance and track grades for students. Ability to send texts, emails and even call (if your devices supports calling) is simply integrated. Try out the free LITE version to test the features out before buying the app.