For a long time WebView hasn't supported fullscreen videos on android.

This is inconsistent with iOS and should be a standard feature for Android once and for all.

As a result this causes extra headache of finding alternative solutions for Android. This is especially challenging for those who have no Java knowledge.

There's been a pull request submitted however frustratingly it's been closed due lack of activity.

https://github.com/facebook/react-native/pull/10327

In theory this should be an easy fix.