Finally cracked it. Here's the cheat:
1. Go to the folder where mario is installed like C:\Program Files\Mario Forever
2. Open the file mafosav.INI
3. Edit the following values accordingly to gain access to different worlds:
World 2
---------
ata1save1=26547
ata2save1=34116
ata3save1=32384
ata4save1=11934
ata5save1=38457
ata6save1=22749
chlebent1=7777
stringlev1=2
vv1=2742926
World 3
---------
ata1save1=31362
ata2save1=35646
ata3save1=35435
ata4save1=13455
ata5save1=40671
ata6save1=25125
chlebent1=7777
stringlev1=3
vv1=2742926
World 4
---------
ata1save1=36177
ata2save1=37176
ata3save1=38486
ata4save1=14976
ata5save1=42885
ata6save1=27501
chlebent1=7777
stringlev1=4
vv1=2742926
World 5
---------
ata1save1=40992
ata2save1=38706
ata3save1=41537
ata4save1=16497
ata5save1=45099
ata6save1=29877
chlebent1=7777
stringlev1=5
vv1=2742926
World 6
---------
ata1save1=45807
ata2save1=40236
ata3save1=44588
ata4save1=18018
ata5save1=47313
ata6save1=32253
chlebent1=7777
stringlev1=6
vv1=2742926
World 7
---------
ata1save1=50622
ata2save1=41766
ata3save1=47639
ata4save1=19539
ata5save1=49527
ata6save1=34629
chlebent1=7777
stringlev1=7
vv1=2742926
World 8
---------
ata1save1=55437
ata2save1=43296
ata3save1=50690
ata4save1=21060
ata5save1=51741
ata6save1=37005
chlebent1=7777
stringlev1=8
vv1=2742926
Enjoy!
Thanks to Crypto