The Xperia Play is a smartphone with elements of a handheld game console produced by Sony Ericsson
Essentially it is a PSP Go integrated into a Smartphone although it is important to note that it runs on Android rather than being an actual console
Known as the SO-01D In Japan and sold exclusively by NTT Docomo.
Device was available at launch in Black, White and Red
The Xperia Play runs on Android 2.3 Gingerbread
NOTE due to the servers for the device being shut down you are unable to download official titles Distributed by Sony for the phone, although still possible to play thanks to PS1 emulation.