Both you and your co-workers need to install Oncore-I app in your smartphones. Then, you can simply add your co-workers as a member in the app. Your co-worker will receive a permission request for location sharing. After the co-worker accepts your request, you can just launch the app and view his current location on a map.
At the moment, any Android smartphones (eg: Samsung, Lenovo, Huawei, LG, etc) with Android Version 4.1 and above.
Yes! Please pre-register the number with Rightontrack via email to firstname.lastname@example.org. Upon receiving authorization, you may proceed to invite your co-worker.