Sony PSP worldwide sales figures

Handheld video games are screaming for projectors. With that in mind, since we know that Sony and Microvision are working together, here are some figures of handheld video game sales from Sony

Region	Units sold	First available
Japan	19 million (as of April 28, 2013)[106]	December 12, 2004
United States	17 million (as of March 14, 2010)[107]	March 24, 2005
Europe	12 million (as of May 6, 2008)[108]	September 1, 2005
United Kingdom	3.2 million (as of January 3, 2009)[109]	September 1, 2005
Worldwide	76.3 million (as of March 31, 2012)[110][111]

From Wikipedia
Video Game Sales Wiki