Okej here is *THE* emulator! My self i got monkey island (the curse of monkey island! 1 and 2 and indiana jones 3 on my n70. to play this games you need a emulator found here http://www.scummvm.org/downloads.php
And the list of REAL pc game files you need to put on your phone or memory card is here http://www.scummvm.org/documentation.php?view=datafiles
This is a really sweet emulator and i havent tried any games not on that list so if you do let me know how they work.
Enjoy!
/Kim