this has been most of my pokemon gameplaypic.twitter.com/6i32pCBd4r
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
The allegation is that they've granted themselves full access, which is certainly possible....
...when the login takes place via an in-app browser than can capture your password.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.