How to download jar file to Samsung Impression phone?

Select either the Shop Games or the Shop Applications to just see the JAR files which are available to download and install. Select the game or the application that you want to install by just pressing the middle button on the navigation pad. Complete the purchase of your JAR file by just following the on-screen instructions to enter your payment information. When the purchase is complete, you will see a multimedia messaging service message appear. Open your MMS message, and then select the attached file to just download it. Confirm that you really want to download the file to your mobile phone, and then wait for it to install. Once the installation is just complete, the game or the application will be available by just touching the menu key from home screen on your mobile phone.