Organ Trail parodies Oregon Trail in a very smart way. It does it by maintaining the gameplay completely, while providing a cool story about a zombie apocalypse.
Here's a gameplay video of it:
https://www.youtube.com/watch?v=JnRH5PO5dF8I have it on my LG Optimus 2X, and it plays fairly well on the touchscreen.
It was a bit embarrassing sometimes on the train, as I couldn't keep myself from laughing my ass off playing it.
As words can't explain how awesome this game is, you see for yourself on
Google Play or
Apple App Store.