Need an ability to provide access to the end user to access Mobile application

We are currently working on a POC to develop an offline mobile application using MDK and then deploying the app to Mobile services.

We have downloaded SAP mobile services client from the app store and are able to test the demo application that we created for this POC .
However we have questions on setting up authentication for this app and also trying to find a way to give access to this app to the end users .
Our understanding is the SAP mobile services client which we downloaded from the app store is for development/testing purposes and its a 1:1 mapping between a client and an app metadata definition. Simple put, we cannot ask our users to use this on their device as it will only cater to one application at a time.
We explored the option of building a MDK SDK client using the tutorial mentioned in the link below. however running into multiple errors when we are performing the steps.
https://developers.sap.com/tutorials/cp-mobile-dev-kit-build-client.html#ab1b8b7b-5315-4d7c-b8a6-8a3b263beaaf

Can we please get some guidance