Hi, can I add people using Android Phone for Reminders ?

Hi m9815000800,

Welcome to Apple Support Communities. To share and assign reminders, the user will need to have an iOS 13 or later on an iOS device. That information is outlined in this helpful article: Share and assign reminders on your iPhone, iPad, or iPod touch - Apple Support

Kind regards.

m9815000800 wrote:

Isn't this a forced promotion of Apple devices?

Moreover, one cannot force his staff or workers to switch on to Apple device for a reason that boss needs reporting on Apple Reminders.

The boss will either need to provide employees with devices that will work with the system she has selected or chose a different way of having people report to her.

Hello m9815000800,

It appears you are wanting to suggest that Apple add a feature to Reminders. 

Since these forums are users helping other users, the best way to do that is to provide feedback to them here: Product Feedback - Apple

Have a good day.