Facebook is currently facing the heat over the leak of personal and other data of some 50 million users to political consulting firm Cambridge Analytica.
If the court finds the 14-year-old accused guilty of cheating the buyer of virtual game accessories, then he has to face a jail term up to 10 years, including a fine.
The couple was travelling with their four-year-old child but after the investigation Immigration and Checkpoints Authority found three slabs of 10 Erimin-5 tablets.
Earlier Goh Kar Aip,20, pleaded guilty during the sentencing to four charges, which include three of sexual penetration of a minor and one of sexual assault by penetration.