Download the .jar file and transfer the .jar file to your mobile via infra-red or blue tooth. Now, most mobiles will see the .jar file as an incoming message that requires confirmation for installing.
If this does not work take your mobile and browse with your mobile directly to
After installing, on some mobiles FunRun will crash or not run well the first time.
Turn off and on your phone. After that FunRun can be activated again.