This functionality was introduced in Android Marshmallow (6.0), but we still have users on Lollipop (5.0) that we want to support.
We will continue to move our API level forward as users receive Android updates and switch to newer devices.
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
We will continue to move our API level forward as users receive Android updates and switch to newer devices.