Filed under: Gaming, Home EntertainmentAfter a long long delay from that March 2007 announcement, Sony Japan just opened its doors to applications for the closed beta testing of PlayStation Home. Sony expects to drop 10,000 gamers (18 years old and up) into the virtual world when it launches in beta sometime in late August. Closed beta tests are due in other markets (er hem, the US) at about the same time with an open beta coming sometime later in the year. Lucky beta testers will be abl