Capture selfie and send it at the same time using bluetooth having the same application without using any third party library or any other application !! Install the same same application on two devices . Then press show devices and switch on bluetooth if its off. Then you will devices using bluetooth pop up . Then pair a device and then open the camera and click on the connect button and you are good to go. Take any pic and it will be automatically send to the other device, you have to wait for some time.