App free for a limited time only updated ** Version 2.0: The app was opened to all kinds of devices. Currently there is also the option to send a picture if the sign did not work. Version 1.0: * Additional signs - signs were added 4 more. * Upgrade comfortably - built drawer to store the user's favorite signs. * Upgrade quickly - now app will soon sign last opened, provided the user's preferred preserved. * Upgrading the brain - the app remember the virtues of each sign is saved favorites.