the newest Onda Firmwares fix the english issues your having.
as for the region, you would choose Europe since they use the same standards.
english version of the manual is here (fyi, there are a number of different names used to describe the Onda players)...
http://www.supertalent.com/support/d...2.8_VideGo.pdf
to shut off the screen while player songs, follow these steps...
go to "settings"
go to "display"
go to "BLight Mode" (bottom option)
choose "Power Save"
to change the time frame for it to shut off,
go to "BLight Time"
choose the time you want