Simple reaction game. Try to complete the whole alphabet with a tap on the right button. Start with A and finish with Z. Let's see how fast you are.
https://market.android.com/details?id=de.dw.alphatap
https://g1.gstatic.com/android/marke...tap/ss-480-0-0 https://g0.gstatic.com/android/marke...tap/ss-480-1-0
