Sony Ericsson has not officially confirmed what will be the name of the PlayStation phone. But recently, the company has lodged documents in the European Union for the registration of four brands, which includes the name Xperia Play. Although, so far the phone mention other names, this is the most likely and logical that we’ve heard so far. Other names for which of the Sony Ericsson has filed registration documents are Xperia Neo, Xperia Duo and Xperia Arc. According to another information, the phone will be presented at Mobile World Congress in February and will reach the market in April 2011.