Internet Archive: The Wayback Machine and the Software Archive on Archive.org often contain bulk collections of Gameloft titles preserved by enthusiasts.
Look for "Diamond Rush 1.1.11", which was the version specifically scaled for 320x240 devices like the Nokia Asha 201. diamond rush java 320x240 jar link
Navigate the file directory to download the specific diamond_rush_320x240.jar file. How to Play Diamond Rush JAR on Modern Devices Internet Archive: The Wayback Machine and the Software
@Override public void keyReleased(KeyEvent e) you will be back in 2007
Open your browser. Go to Archive.org . Type: "Diamond Rush Gameloft 320x240" . Download the file. Grab J2ME Loader. In ten minutes, you will be back in 2007, pushing boulders onto mummies, listening to that iconic MIDI soundtrack.