What is DroidCam?
DroidCam – Use your Android phone as a wireless webcam or an IP Cam!
Use your phone as a webcam/mic on your PC over WiFi or USB!
Allows you to chat using "DroidCam Webcam" on your computer (Skype/Yahoo/etc..), and talk via "DroidCam Microphone*". You must download and install a computer client to use the app (Windows & Linux versions available).
Pro features: Various video formats and higher resolutions, Bluetooth, access via your browser (surveillance/ip camera), connect via 3G, camera flash, auto focus and more.