Order: The Memory Challenge (Premium) FREE (£1.89) on Google Playstore

Simple memory game, worth a punt while free.

Blurb...
Memory is the biggest asset of any individual. But to keep it sharp you need to exercise your brain muscles just like your body muscles. In this fast moving world, with time being biggest constrain, it is very difficult to get enough time for puzzles and other challenges. So we are bringing to mobile phones a uniquely designed fun game to provide adequate amount of daily exercise for your most important asset -The Brain.