Sony chief Howard Stringer has said that Sony Ericsson mobile phones will get PlayStation Network, part of the company s publicized strategy to extend the network to all connected Sony devices.  Edge-Online reports on Stringer’s comments at the Mobile World Congress, which were first posted on game news site Lost Gamer.  Howard called PSN a not so secret weapon that Sony will leverage given its strength in entertainment hardware and content.  He also hinted to the network representing the company’s exploration of a consistent user interface across its products.  Read more at Edge-Online {link no longer active}.