Mario's Road v2.0 has the following changelog:
* New Screens For Menu, Credits etc.
* Game Written By Malliet Now (Originally From Muhie) And New Graphics By 8166UY
* Added Some Nice Sounds
* Added 2 More Levels; 5 Levels In Total Now
* Nice Background Music (Currently Only In Level 1)
* New Level Backgrounds
* Fixed the bug with the bananas; you could drive over them without losing points.. this has been fixed; Now you lose 1 point if you drive over them.
* Custom EBOOT with music etc.