Attention Test is a free Android application developed by ForzaVerita that provides a classic psychological test of visual attention. The app offers 4 levels of complexity to choose from.

The test is designed to measure your ability to concentrate and focus on a task while ignoring distractions. It consists of a series of visual stimuli that appear on the screen, and your task is to identify a specific target stimulus while ignoring other distracting stimuli. The test is timed, and your score is based on the number of correct responses and the time taken to complete the test.

The app is user-friendly and easy to navigate, with a clean and simple interface. It is a useful tool for anyone interested in measuring their ability to focus and concentrate, and for professionals in the field of psychology and neuroscience. Overall, Attention Test is a well-designed and effective application for assessing visual attention.