Add Chromecast support to PowerPoint for iOS. Having that feature means that for 35$ (price of a .Chromecast) one could turn an iPhone or iPad to a presentation device.Present your PPt-s stored on Onedrive for business with one click direcly from the phone or have CC download and present it. Currently there is no soltuion to present a PPT from an iOS device.
There is a solution to present a .PPT from an IOS device .. it is Apple TV.
It does cost more than $35, but it works wel!