Flappy Bird Alternatives Now that Flappy Bird is Unavailable
If you already have Flappy Bird, keep it! The author of the game has removed it permanently. If you're just now finding out about it and want to play it, it's okay. There are several other games that are just like it. Here are just a few.
Best of all, these are free downloads so if you don't like them, no harm done. Just delete and move on.
Most of these (if not all) are also available on android and shouldn't be a problem to search and download.