Every thing you need to be " The Referee " in ONE app . This COOL app has :: - WHISTLE . ( very high sound , but to make it higher , put your hand down the device ). - YELLOW & RED CARDS . ( you can also write the names of player who take a card ) . - NICE FLIP COIN GENERATOR . - SCORE BOARD . ( you can add or remove score by pressing + and - buttons ). - TIME BOARD . ( you can pause the time and resume it again when you want , and this board has Extra time section , if you want to refresh the time press the time for 2 seconds ). ** Just 3MB , won't take up a lot of space on your device .