Download HTC-IME.apk and Clicker.apk

Copy the  .apk files to the memory of your  Samsung i7500 (you can mount your SD card to your PC and copy the files – plug in the cable, pull down the notification bar and click ‘USB connected’, then mount the sdcard. It’ll show up as a new drive on your computer)

Install Astro File Manager from the android market

Then open Astro File Manager and click and install HTC_IME , and then click and install Clicker

Go to Locale & Test in the settings menu and select Touch Input and Exit

Go back into Locale & Text and in the Touch Input options choose the alphanumeric Keypad and exit.

Now create a new text message and click and hold the text box and select Input method, and select Touch Input

(If you use adb you can just install the apk by typing adb install HTC-IME.apk and adb install Clicker.apk)