You're looking for information on Super Angry Birds NES ROM download updates. Here's what I could gather:
: We do not host or distribute ROMs. This post is for informational purposes only. Please ensure you have the rights to download and play the ROM in your region. super angry birds nes rom download upd
Tools like NES Screen Tool and Tile Layer Pro let you edit sprites in existing NES games. You could legally modify a game you own (like Wario's Woods ) by changing the sprites to birds and pigs—though you cannot distribute that hack without permission. You're looking for information on Super Angry Birds