Attention Distribution Test 49

It is a simple app to measure your basic attention by looking for a number that has been placed at random from 0. By repetition training, you can expect an increase in the score!

for the following people -want to improve powers of observation. -want to improve ability to concentrate. -want to be a professional gamer. -look for the examination preparation.

including following games -4x4 16cells.(casual!) -5x5 25cells. -6x6 36cells. -7x7 49cells.(standard!)