public function toApp($data, $key = null, $array = false)
	{
		return $this->to(self::APP, $data, $key, $array);
	}
public function toApp($data, $key = null, $array = false)
	{
		return $this->to(self::APP, $data, $key, $array);
	}
public function toApp ( $ data , $ key = null , $ array = false ) { return $ this -> to ( self :: APP , $ data , $ key , $ array ) ; }
Transforms data for app.

@param mixed $data Data for transformation.
@param null  $key
@param bool  $array
@return array
Transforms data for app .