The idea is that having a secondary task running with minimal input allows you to focus on a primary task with minimal interruption by satisfying the persistent impulse to switch tasks.

Also try ADHD Background Video Injector - Chrome Addon to play your videos in the background of any webpage.

More information

Download

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Download (Source Code) 1.1 kB
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ADHD Background Video Injector - Chrome Addon 5.1 kB
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ADHD Background Video Injector - F12 Console Paste Version 3.2 kB

Install instructions

If you're playing on mobile, you may need to go to your phone Settings and change Screen Timeout to 10+ minutes.