DroidCam is a useful application which converts your android device into a webcam. You can use it with common chat program or conference purposes. There is no usage limit or any watermark. It is totally a free to use application. It has gorgeous and user-friendly interface. You can connect via Wi-Fi or USB cable. The Pro version of this app gives extra perks such as no ads and high resolution video support. You can use other non-camera app or you can turn off the screen to save the battery consumption.
