Switch Access lets anyone with limited dexterity control their phone or computer. If you're building a mobile site, it's important to understand how switch device users will access your content.
Switch Access for Android: https://goo.gl/C8JBvK
Switch Control for iOS: https://goo.gl/wMzEbk
Christopher Hills on YouTube: https://goo.gl/HC1LtG
Watch all A11ycasts episodes: https://goo.gl/06qEUW
Subscribe to Chrome Developers: http://goo.gl/LLLNvf