In the screen (shown above), click on the hyperlink “download it on Google Play” (highlighted with RED arrow below). Sometimes this link can take up to two hours to validate new beta users resulting in the error message shown below. If that occurs, open the Google Play app on your Android device, search for cnArcher and install.
Still not working, think it might be because for some reason our IP in a "whats my ip" shows up as from Curacao not Sint Maarten. Sorry for the confusion this area of the worlds a bit confusing when it comes to the play store.