There are cheap flappy clones you can get pretty easily.
Hell, take a beginners gaming programming class and make it yourself, if you genuinely love the gameplay that much. Its not that complex, and would probably make a good first project to work towards.
Wait, is it bad to feed pigs meat? I thought they were natural omnivores. Is this about an issue of feeding them spoiled meat? Or is this the whole "feed a body to a pig" thing?
Cause if someones cleaning murders with pigs, they arent worried about its legality.