You can convert your licence niccig, no problems there. Lots of international students train in Australia. Query why you'd want to waste your money and time given you're extremely unlikely to find a job here - lots of low time qualified locals looking to score the same gig.
There's a guy from Thailand asking something similar in the aus GA section - you may want to read the posts there also.
If you want a fun (non flying) working holiday, Australia offers many experiences that will not disappoint. I doubt that it will satisfy your hour building desires however.
If your primary reason is to further an aviation career and you've got cash set aside to travel here, convert, live while trying to find a job etc, doing some more single engine time at home may be a more constructive use of your krone.