Alright, here's my attempt, in TI Basic.
Blinded:
Use [2nd], [Enter], [Left], and [Right]. I think the controls speak for themselves.
The goal is to stay alive for as long as possible.
My high score is 726. Can you beat it?!
I hope you enjoy my game!
By the way, there's a pretty sweet effect if you turn the contrast up pretty high (but no to the max) on the actual calc...