Xperia Arc, Xperia Neo and Xperia Pro has many features and a built-in micro-HDMI connection is one of them. Basically, it’s a very simple and intuitive way to share the phone’s UI on larger displays. The main the focus is on entertainment and when you connect the HDMI cable to the phone, so will the application Gallery will automatically open, allowing you to view images and videos directly on your TV.
IM820 HDMI Cable
You can also check the Gallery with TV remote control by using the standard functions that are included in the HDMI standard connectors. Sony Ericsson Xperia phones comes with a HDMI cable, so you don’t even have to go out and get one. The only thing you may need is a extension cable since the HDMI cable is not very far.
More about HDMi for mobiel phones, see it on http://www.digopaul.com/english-word/phones.html