streaming video from modem/router

hi there,anyone know how to stream video from the netgear dgnd 3700 to my android phone and tablet(nexus),they both have DLNA,have no problems streaming to my pc,just cant get it to work with android,im using a portable hdd that i store all my movies on plugged into the usb port on the router,iv tried a couple of apps from the market but the only seem to help with streaming to a DLNA tv,thanks