Sony has teased about a remote application “DOT SWITCH” coming to Japan soon.  It may look a bit cryptic but their 30 second video that they have posted shows the Sony Ericsson Xperia Acro being used.  DOT SWITCH website says that it is “New entertainment from Sony “, which does not say that much. Sony plans on revealing all the details about “DOT SWITCH” on February 21:st.