I recently bought an r4 card and it works normally when im not playing a game but when i try to play ds games or even emulate other games the A button and the start button become a packaged deal. I'm using the flashcart on an old 2ds. When I play normal 3ds cartridges the buttons work fine and also when im on the menu of the flash cart everything seems to work fine, it's only when im in a game does it have this specific issue. The flash cart itself may be faulty or maybe even the roms. I've tried other roms and even other games and it still has this issue. pls help.
This is the specific flash cart im using:
This is the specific flash cart im using:
I used a homebrew app called Diagnose that lets me test the buttons and when i press the a button the start button also gets "pressed" and vice versa 
