Languages Phone is a free and easy-to-use application for Android devices that lets you easily change between various supported languages and keyboard inputs. It also allows you to choose the language you want to use when making a call or sending a message.

To use the application, first, install it on your device. Then, you will need to make sure that you have the latest version of the app installed. If you are using a device that is not supported by the app, you will need to update it. To do that, open the application, and then click on the "Update" button. You will need to choose the language you want to use, and then click on the "Update" button.