It does all 3, however it will choose the act you need based on the keys you've acquired so you don't have to manually manage jumping from act to act to even out your keys.
Act 2 and Act 1
Soemtimes my char would just stay there and do nothing
Again, I'm not really looking for a fix in a way that I must upload
my db and such. At the moment I just wanna like make it simple
without involving too much plugin. That's why I ask for individual acts~
Besides, I've got like 10 act 3 keys and 10 act 2 keys atm.
So I just really need the act 1 profile