plzz help me,

i am not using the linux kernel,i am using the non-kp....i install the h-e-n at mobile hotspot,but i found the fm radio is not working??i think fm module problem? then i install ''linux bfs'' in the HAM, i saw that the fm radio is working but the problem is the mirror app. or the front camera of the n900??and also the videocalling option in skype or goolgetalk not working????their is an error "error resource not found" plz help me i am not familiar in this phone i want only use the h-e-n app, plzz help me how can i run the mirror or frontcam ?????plz reply