This actually was caused by my Android manifest. I thought I had rebundled with the default manifest, but I guess not (cached?) I had Theme.Translucent.NoTitleBar.Fullscreen set on the DefoldActivity android:theme. Removing Translucent from the style fixed the problem. Strange that it didn’t show up on every device.
The reason that style was set was because I was trying to get rid of the navigation bar. I eventually found this thread about how what I actually want is called immersive mode (+1), but left the style in place since it seemed fine.
notabug 