In order to purchase the application for the devices, you will need iTunes® installed on the computer, along with a valid ID to log into the iTunes® store, for purchasing the applications.
There are various applications of TouchChat. TouchChat was intended to be used for either the iPod® or iPhone®. TouchChat-HD was developed for iPad®, intending to take advantage of the entire iPad® screen.
After the app has been purchased, it will show in the apps section of iTunes®
Once the application is there, connect the device to the PC. It will show under Devices
Now that the device is connected, click on the device and go to the apps section of the device.
Make sure that the Sync Apps box is checked and then check the box for the app you wish to sync to the device, like the TouchChat app. Once you have made your choice, then click on the sync button in the bottom right of the screen.
The device will display the message “Sync in Progress” which means that the apps you checked will be installing on it. Once it is done, iTunes® will say “ that the sync is complete. Ok to disconnect.” In the message area at the top.