The English stickers to put over the buttons are available off ebay but IMO they do not look that good nor do I think you need them.
The DVD rom is actually a little computer and will never play DVD movies.
You will need to input any other device like, local TV tuner, Ipod or DVD player through the OEM TV tuner AUX function. Just remember that this is a NTSC screen not PAL.
Cheers
Andy