For normal builds, it is helpful to have more specific versions than simply the upcoming version snapshot. 2019.2.MMDD.HHmmSS.0 seems like a reasonable format. It combines the year major and minor open source versions with a timestamp and ending in .0 which follows an internal convention where these are treated specially as development builds.

Make sure the app works on Raspberri PI / WIndows IoT Core
There are going to be numerous people that don't have a computer they can dedicate to this, but have a raspberri Pi.
Make sure the app works there.

Should look like in the user view:

Furthermore, find an icon for manage user.