The firm has dubbed the March 9 online broadcast 'Welcome! PlayStation Vita Game Heaven', Andriasang reports. Sony said it will feature information about unannounced Vita games, as well as upcoming releases and Vita services, with presentations from game developers themselves. The platform holder will be giving away 20 Vitas as prizes to viewers. The webcast will be viewable on the Sony's website. Vita launched in Japan in December and the West last week. A total of 1.2 million Vitas have been sold worldwide since release, Sony said on Tuesday.