Sorry but no POIs on 3790 US, it's a well knows issue, your Philippine friends are talking about other units-
The only way to show POIs while navigating is to have a Guide ,like Marco Polo -
like here
klrp2

lol when I posted it I had a reply like this :

Hmm.... What model and what FW?
I cant see any POI from GARMIN map on GPS screen like that
I repeat ,if they can , should be nice they explain how