Here's the latest speculation and rumor control on the not-so-mythical Sony Ericsson Playstation phone:
First up, SE was granted a European trademark on "Xperia Play" on Dec. 1. At the same time, Swedish PR firm Jung Relations has scooped up XperiaPlay.com, XperiaPlay.net and XperiaPlay.org. So there's a pretty good bet that'll end up being a big part of the branding somehow.
Then add on an unsourced rumor from Pocket-Lint, which says the PSP/Xperia/Play/Phone/thingy will be announced at Mobile World Congress in February (no great surprise there) and will hit stores in April in the UK.