psp questions

What options are diffrent between the american psp and the jp models,( besides the video umd's not being able to play from this country in them.) I know the games are universal, but how about the text and files. Will it still be able to do video? Help me out a bit im kinda green at this particular subject. Thanks

JPN: plays R2 UMD movies. The O button is Yes.
USA: plays R1 UMD movies. The X button is Yes.
EUR: plays R2 UMD movies. The X button is Yes.