Media Play ended in 2006.
Media Play was created in 1992.
It is any media file, Windows Media Player can play.
No. Does not support flash. Games will be Really limited. Only low end games (lower the farmville even) may play, if your lucky.
You could open up Windows Media Player, and insert a CD. It should show up. Then rip it (there's a button near the top of the media player). It'll end up in your library where you can play it whenever you open up Windows Media.
GCap Media ended in 2008.
Media Rings ended in 2007.
Remnant Media ended in 2007.
Osprey Media ended in 2007.
Milestone Media ended in 1996.
No. Windows Media player can't play mkv files.
Central Park Media ended in 2009.
Philadelphia Media Holdings ended in 2010.