how to convert (RMVP to wmv)

Could anyone tell me how to convert RMVP to wmv....? (or any format could be read at Pockeet PC) I want to watch movie at Pocket PC! 5.39.217.77:88984 j1 U4 D" q# \5 L/ `
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。& r9 j, a( g. J) }) x( X
I am very appreciated if someone could be help this issue