By using PocketNES, I was able to make my own multicart called the "Epic 8-in-1"
Here's the download link:
Epic 8 in 1 downloadIf you want to play this on an actuall GBA, you'll need a flashcart.
List of Included Games:
01 - Nintendo World Championships (listed as "World Championships" on the multicart.)
02 - Bee 52
03 - Thomas the Tank Engine and Friends (Listed as "Thomas the Tank Engine" on the multicart.)
04 - Cheetah Men 2
05 - Pocket Monster
06 - Somari (Doesn't work)
07 - Space Invaders
08 - Mario 6 (Hack of "Tiny Toon Adventures")