It seems that Google has recently changed the URL for satellite tiles and labels overlay. Unfortunately Maemo mapper inserts wrong zoom level into the requests, hence it can't get any tiles.
Labels:
http://mt.google.com/mt?v=w2t.88&x=%d&y=%d&z=%d
Satellite pics:
http://kh.google.com/kh?v=36&x=%d&y=%d&z=%d (no quadtree anymore!)