Samsung Video Projectors Excellent Price/value How Do You Download A Video To Samsung S3 MP3 Player?

How do you download a video to Samsung S3 MP3 player? - samsung video projectors excellent price/value

I have more trouble to find out how to get video from a Samsung S3 (urghhhhh)! I can easily add music, but for some reason I can not download videos. I hope someone has to do the know-how.