before you went for the interview, don't you have any idea what this job require you to do? or your apply different position, got different position..lol. 

then you should state clearly you want to know the environment of the working place

the environment is good, basically all i can see people who handle singapore market stuff are well busy at a times, however they look like they have a good times. and depends on your team as well, most of the team, they do support each other and you wont be leave like to handle everything yourself. They will assist you on certain level and will give you chance and freedom to do the work. just dont screw anything up lah. haha

since you know the work, should be no problem

Good Luck! Btw, 6/7 is Induction Day in PJ right? you'll meet me.. dont forget to introduce yourself