With Android 16, Google will take a big step towards solving the problem of apps that aren't optimized for large-screen devices—tablets and foldables—and tend to have thick black bars on the sides, as well as button layouts that make them frustrating to use.https://www.notebookcheck.net/Android-16-to-force-developers-to-adapt-their-apps-to-foldable-phones-tablets.953056.0.html
Honestly valid, idk why this wasnt enforced long ago, we would have a much more developed android tablet ecosystem now if it was standardized like this long ago. Even back in Android L format OS they were being way too lenient for devs...