I'm using DroneDeploy with Samsung DeX (Desktop for Android) a Bluetooth Mouse and Keyboard. Unfortunately the Mouse Wheel is not supported for zooming in and out. (Left-Double-Click works for zooming in)
Please add full Mouse Support for increased productivity.
With the release of our web planning platform this will be likely become obsolete. But we keep it as potential feature request if we will see many users using Android with a mouse.