https://powerusers.microsoft.com/t5/Using-PowerApps/GET-CLIENT-IP-ADDRESS/td-p/146788
https://powerusers.microsoft.com/t5/General-Discussion/Find-computer-device-name/td-p/15068
https://powerusers.microsoft.com/t5/PowerApps-Ideas/Get-Device-Info-in-PowerApps/idi-p/3173
We need to know more about the user and the device used to access our app. Things like IP address, device name etc.