Try this fun app to put your sense of direction into test. Tap the bubbles at right times to split it up so that it can swallow the germs. As you progress through different levels, you have to adopt different strategies to kill the germs. It consists of 20 challenging levels with different germs and with different weapons to finish them off.
Review
http://www.tapscape.com/kill-the-germ-is-a-quirky-and-addictive-iphone-game/
http://www.mobileappz.tv/video-game-review/kill-the-germ/