Decentraland warns your scene UI will clash with its mobile controls — but won't say where they are

I put two buttons at the bottom of a Decentraland scene, the way the platform's own mobile guidance says to. On a real phone, one of them wrote a permanent row to my database every time somebody tried to jump. Decentraland's mobile documentation does warn you about this. It says scene UI "will clash with the system controls." What it does not do — anywhere I could find — is tell you where those…