I like the accompanying "laptop fans" effect :D

On mobiles some WebGL demos have forced me to take out the battery, because I couldn't even kill the browser application or do the whole long button press for full restart.

Luckily I don't buy mobile phones that don't allow me to replace the battery.

If the hardware + OS are so deficient that your only way to stop a WebGL demo is to take out the battery, I'm not sure "lucky" is the word I'd use to describe your situation.

It was Android 4.3 on a Samsung S3.

Capable of doing OpenGL ES 3.0 without sweating in native code and my usual test device for quality WebGL demos, always with the latest Chrome version.

That's Android I guess. The alternative, iOS, can't run vim. Mobile OSs suck.

It took me literally 10 seconds to find https://itunes.apple.com/us/app/vim/id492668168?mt=8

Worse on this machine, because it doesn't actually work, and crashes my browser tab in Chrome.

It also crashed in Firefox. But with webGL crashes I never know if the problem is in the browser or in the video card driver.