After the hard search from web, I can say that.
Yes!
But I can only get the Papago M6 Taiwan version for modification.
You need a bit file modification on the Map. 

Since I can't get the Papago M6 Singapore Malaysia version, the looking place key-in is the problem.
The Taiwan version only provides BoPoMoFo input method, and the lack of POI, you can't have Malaysia Place/Location to search for. Sad... 
One more thing is Papago M6 does not support in Landscape Mode.
That is pretty sad for such a GPS software if you buy it for RM100over.
Try google "Papago m6 for Nexus One", you will get a surprise. 

Or anyone wants to share the Papago M6 Singapore Malaysia, PM me. 

Anyway, I can say that, Papago m6 is more suitable using in Taiwan as they worth it for frequently updates their Taiwan Map.
If Malaysia Singapore, then you have to mod yourself for Malfreemap.
Any how, the latest Malfreemap is dated 19042010 if not mistaken.