Singapore Maps by Streetdirectory.com

I have been using this Streetdirectory.com apps for Singapore, Malaysia & indonesia.

http://itunes.apple.com/sg/app/singapore-maps/id388128906?mt=8

They provide building outlines and you can even click on them to get a list of all the businesses listed in the building.

If you click on the bus stop icons, you get a cool lists of bus arrival timings.