Use this free app to control your PiCar-V* and receive the video stream from the camera. You may set individual URLs for the Video stream and the control channel. Make sure, that the server on your Raspberry Pi is running. Caution: As no physical limits are set for the movement of the servos, be careful when using this app not to exeed the maximum movement angle of your hardware.
*) PiCar-V is a great Raspberry Pi based remote controlled car construction kit developed and distributed by SunFounder, which is needed to use this app. This free third-party app is designed for your non-commercial and non-profit educational use without any warranty.