Convert a b4a app to b4j

Hi!
I recently found this http://ift.tt/20LnquW which works well, but i am trying to convert the code to b4j to run on a PC. I made a start but quickly ran into an error which at the moment can't cure. So my question is .. before i get too far into the project can anyone tell me if it is possible to convert the original code or am i wasting my time.

Any help or advice will be appreciated t

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