Can I use it to unlock Connectivity features instead of using a regular GBA?
That depends on how you expect to do it. As mentioned before, the boot disc software is necessary for the Game Boy Player to operate, and none of the current games have that software included. It might be possible for future games to access the GBP without a boot disc, but as we’ll explain a bit later, for the system to be playing both a GameCube game and a GBA game at the same time, both games would have to be designed for such a feature from the ground up. However, the Game Boy Player is perfectly capable of connecting to GC games if you have two GameCubes and displays for both. Former PGC staff member Adam Kontras has a large TV that allows you to hook up multiple inputs and display the screens side-by-side. I hauled my GC over there one night to try out the Tingle Tuner in Zelda, and the result was brilliant. On the left, Adam was playing the main game, and on the right, I was fumbling around with the Tingle Tuner. Adam always had full view of the maps without having to go to the m