It's a patched version of Twitter app with the TwiFucker module.

Features
Remove promoted content
Remove promoted users
Remove promoted trends
Remove sensitive media warning
Disable recommended users
Copyable alt text
Download media menu
Hide drawer items (Slightly broken due to Twitter new drawer layout.)
Hide navigation bar items
Disable url redirect (Prevent Twitter redirect from t.co to target link when clicking on a link in Twitter.)
Disable Threads (live content)
Disable Tweet Detail Related Tweets
Remove video carousel
Feature switch (Force enable/disable Twitter experimental feataure.)