An Australian grandmother accused of smuggling amphetamines in a suitcase has appeared in a Japanese court nearly two years after her arrest, saying she is innocent and she was tricked into carrying them as part of an online romance scam.

A Perth grandmother and Indigenous community leader tells a Japanese court she was "deceived" after she was found with almost two kilograms of methamphetamine in her luggage at Narita airport, near Tokyo.

An Australian woman accused of smuggling amphetamines in a suitcase appeared in a Japanese court on Monday nearly two years after her arrest, saying she is innocent and that she was tricked into carry