It would be far safer utilising Australian gambling businesses operating locally in the Australian Dollar complying with Australian Federal and State laws.
According to a 2 second Google Search, this shady mob claim they're targeting an Australian audience but maintain a peg to the US Dollar. Nothing about that makes any sense, unless they're a scam.
The term 'ICO' has traditionally been used by scammers in order to confuse regulators so that they can subvert securities and custodial laws they are required to comply with.