"Multiple devices" refers to using more than one electronic device, such as smartphones, tablets, or computers, at the same time, or owning and using different devices for different purposes. Full definition
But there's no smart home ecosystem today that does this on a broader scale across multiple devices in different device categories and throughout the home. (recode.net)
Your library is accessible on multiple devices with multiple tools. (redeeminggod.com)
You can make your existing eLearning courses compatible with multiple devices by converting them into HTML5. (commlabindia.com)