- (void) openAppInAppStore
{
	[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"macappstore://itunes.apple.com/us/app/mathemagics/id402458650?mt=12"]];

	dispatch_time_t delay = dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC);
	dispatch_queue_t main_queue = dispatch_get_main_queue();
	dispatch_after(delay, main_queue, ^{
		[[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"macappstore://itunes.apple.com/us/app/mathemagics/id402458650?mt=12"]];
	});
}