You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I had a student on the spectrum who loved Geoguesser, I'd imagine this has similar appeal?
Rewards spacial skills with stimulating animation, set collection, very simple game play
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.