Reposted by Ogre!
Thereallo, a web developer, decompiled the app and published a detailed technical breakdown of what's running under the hood. It injects code into third-party websites, loads JavaScript from someone's GitHub, and tracks your GPS, among other things.
thereallo.dev
I Decompiled the White House's New App
The official White House Android app has a cookie/paywall bypass injector, tracks your GPS every 4.5 minutes, and loads JavaScript from some guy's GitHub Pages.