Where123 is a fun memory game to train your brain, especially your working memory (short-term memory). It has simple rules, Some levels are insanely hard to play, but challenging, Each game is very short, so it is good for killing time. It contains 6 different modes.
You can download the setup package of Where123 1.0 free of charge and have a look at users' reviews on Droid Informer. The app works fine on Android 4.0.3 and higher. It's secure to download this application. Animatives is the creator of the game that is related to the Puzzle Games category.
The developer rolled out a new version of Where123 on Apr 29, 2016 and over 100 users downloaded and set up the app. This application has the average rating 4.1 on Google Play. There are in-app purchases and ads in the game.