如何找到与您在Android中相同的WIFI网络连接的其他用户？

Here i want to ask that how can i find out other Mobile phones connected to the same Network(WIFI) with which you are connect, and display it in your Mobile phone. For example there would be an ANDROID app where i will get all the user which is also connected with the same network?Here i want to ask that how can i find out othe