RealTalkie - Walkie Talkie Offline Call is an application that can be used as a walkie-talkie, allowing two or more users to communicate with each other through voice over the internet. It is a useful application for people who want to make a conversation over the internet and do not have access to the internet, for example, if you are in an area where there is no internet access, or if you are using a mobile phone with no internet connection.

To use this application, you will need to install it on your mobile phone, and then you can use it as a walkie-talkie. To connect, you need to enter the IP address and port number of the device you want to connect to, and then you can start to use it. To connect, you need to click on the "Host" button, and the other device will have to click on the "Join" button.