Open Another App


	NSURL *appURL = [NSURL URLWithString:@"someappname://"];
    
	if ([[UIApplication sharedApplication] canOpenURL:appURL])
	{
		[[UIApplication sharedApplication] openURL:appURL];
	}
	else
	{
		NSURL *appStoreURL = [NSURL URLWithString:@"http://itunes.apple.com/gb/app/someappname/id123456789?mt=8#"];
		[[UIApplication sharedApplication] openURL:appStoreURL];
	}