我想問 i touch 和 i phohe

You have to clear that... itouch or iphone are equipment... of course it cannot to 轉換 any 影片.. but you can use some software to do...
But it may not easy to direct convert RMVB 影片 for iphone or itouch... what I do it.. I will convert the RMVB to AVI file first... after I got all those avi file... I can convert any format (include apple MP4 format) as I want...
Try the software name "Super" .. please search the software by yourself!!! .... this is FREE