Cloud Android phones for a training class

I teach short online courses for people learning to work with Android business apps, and the next group has twenty students. In previous classes, half the first lesson disappeared while everyone installed the apps, created demo accounts, and tried to make the menus look the same as mine. I’m considering giving each student temporary access to a cloud Android phone that I prepare before the course. Would DuoPlus let me set up the devices together and repeat my actions across them during a live demonstration, or would I still have to configure every phone separately?