Yep, I'll show a pic of the cart in every GBA model ever released (big fan of the GBA, I own them all)I bet...damn lot of gba games out there. Did you take any pics of the cart in various GBAs? Personally I love that it is reminiscent of Boktai because it'll match my Boktai GBAsp.
EDIT: Tested Shantae, slows down as usual in Goomba Color.