I'm not sure what you're asking here. Do you have an FM transmitter in your room? Or are you talking about detecting what FM radio station you're listening to.

I'm not sure what you're asking here. Do you have an FM transmitter in your room? Or are you talking about detecting what FM radio station you're listening to. If the latter, you're jumping way too far ahead of yourself and you need to bone up on radio theory (eg. get an amateur radio license and the ARRL radio guide). So I'll answer the question with a random answer that is most likely to be useful to you down the road. It may be possible to experiment with FM on certain Android devices that have FM receivers in them AND they are not disabled AND the antenna leads are connected AND you have API access to those receivers. Every chip maker does it different, but most likely you'll be dealing in kernel space. Hope you're comfortable there. This is a question better off for the more esoteric corners of http://forum.xda-developers.com http://forum.xda-developers.com . There was also an official Google Android hardware hackers list somewhere. I'd get you the link, but Google nerfed the Android Developers website recently and I can't find anything.