There are four ways of installing Systemwalker Desktop Keeper to a smart device (agent):
Having the smart device user download (install) Desktop Keeper Client from Google play.
Copying Systemwalker Desktop Keeper to an SD card and distributing it to smart devices (*1).
Distributing Systemwalker Desktop Keeper to smart device users by email (*1).
Publishing Systemwalker Desktop Keeper on a corporate web server, and having each smart device user download it.
*1: Supported only if the smart device to be managed runs Android.