about certificate:if i develope a bluetooth related app,need i apply a certificate ?

btw,my target platform is smartphone2003,

nightwish
I'm guessing you want to know whether calling Bluetooth is a priveleged function or not. You can find the list of priveleged functions here http://msdn2.microsoft.com/en-us/library/ms839377.aspx#smartphone_security_topic6
about certificate:if i develope a bluetooth related app,need i apply a certificate ?