Libraries 
||Library location||Function||Can be replaced or avoided?||
||/system/lib/egl/libGLES_qcom.so|| 3d "card" library || can be avoided ||
||/system/lib/libaudioeq.so||  ||   ||
||/system/lib/libcamera.so||  ||   ||
||/system/lib/libgps.so || gps parsing and activator library || could easily be replaced as GPS worked under SHR and that there are android libs available(we just need to use them)||
||/system/lib/libhtc_acoustic.so||  ||   ||
||/system/lib/libhtc_ril.so || Radio Interface library || Work in progress ||
||/system/lib/libmm-adspsvc.so||  ||   ||
||/system/lib/liboemcamera.so||  ||   ||
||/system/lib/libOmxH264Dec.so||  ||   ||
||/system/lib/libOmxMpeg4Dec.so||  ||   ||
||/system/lib/libOmxVidEnc.so||  ||   ||
||/system/lib/libomx_wmadec_sharedlibrary.so||  ||   ||
||/system/lib/libomx_wmvdec_sharedlibrary.so||  ||   ||
||/system/lib/libpvasfcommon.so||  ||   ||
||/system/lib/libpvasflocalpbreg.so||  ||   ||
||/system/lib/libpvasflocalpb.so||  ||   ||
 Firmwares 
||Firmware location||Function|| what depend on it ||
||/system/bin/akmd||  ||   ||
||/system/etc/AudioFilter.csv||  ||   ||
||/system/etc/AudioPara4.csv||  ||   ||
||/system/etc/AudioPreProcess.csv||  ||   ||
||/system/etc/firmware/brf6300.bin||bluetooth firmware||bluetooth||
||/system/etc/wifi/Fw1251r1c.bin|| wifi firmware || wifi||
||/system/etc/pvasflocal.cfg||  ||   ||
||||  ||   ||
||||  ||   ||
||||  ||   ||
||||  ||   ||
 References 
http://github.com/CyanogenMod/android_device_htc_dream_sapphire/raw/froyo/extract-files.sh