function createApp(
		string  _appName,
		uint256 _appPrice,
		string  _appParams)
	external returns (address createdApp)
	{
		address newApp = appHub.createApp(
			_appName,
			_appPrice,
			_appParams
		);
		emit CreateApp(tx.origin, newApp, _appName, _appPrice, _appParams);
		return newApp;
	}