I just came across GBAdev.org and saw a brandnew GBA Freeware Game called Maya Mystery! It's a great game, and I'd recommend you to check it out. Read more about Maya Mystery v1.1 (GBA Game)
I just came across gbadev.org and saw that there was a neat RPG Style game called "The Adventures of Tom Sawyer". I tried it and it's really fun :) Kyp4 and the other guys who developed that game did a good work! The PC Version is included too! Read more about The Adventures of Tom Sawyer v1.01 (GBA Game)