PNG finished second at the recent Pacific Mini Games in Vanuatu winning 33 gold medals, 30 silver and 22 bronze - 85 in total.
He said other sports need to evaluate what they need to do to repeat the 2015 winning performance of the Pacific Games on home soil.
Raminai vowed he would do his utmost best within his capacity to assist these sports improve to ensure PNG dominates again in 2019.
“We have never won the full Pacific Games away from home, so all stakeholders must work together sharing ideas, and working harder to give ourselves the best possible chance to create history in Samoa.
“If we set such high objectives and drive hard at achieving them, we will continue to be a dominant force in sports in the Pacific.
“After all we are the biggest country with the biggest population compared to these smaller neighbouring countries so we must put in place quality programs to stay as a force.”