There are so many apps which contain full screen advertisements and they will suddenly pop-up when you are using it. Your mission is to perform as many actions as possible before an advertisement comes.
This app is your best trainer for advertisement reaction time!
1. Press the "Start" button after opening the app
2. Press the central button and it will show many clicks you've made
3. At a random time an advertisement will suddenly pop-up and time is up
4. Your mission is to click as many as possible
5. The result of clicks per second will be displayed after closing the ad
6. Have fun!